Grade 8 Hex Head Cap Screws
When the joint can’t slip, stretch or back off, go Grade 8. Kimball Midwest stocks SAE and USS hex head cap screws and fully threaded tap bolts up to 150,000 psi for engines, pumps, ag and heavy equipment. Choose plain for dry installs, zinc for everyday corrosion or Armor Coat for harsh washdowns. High head options bite harder.
1500 results
KM-USA High Head Grade 8 (USS) Hex Head Cap Screws - Zinc Plated
High head Grade 8 (USS) hex head cap screws made from medium carbon alloy steel with zinc yellow trivalent plating. Features a taller head for improved wrenchability, roll-formed coarse threads for fatigue resistance and 150,000 psi tensile strength. Suitable for heavy-duty assemblies.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/2"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380404J
|
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|
|
1/2"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380404
|
Log in to view price
|
|
3/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380406J
|
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|
|
3/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380406
|
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|
|
1"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380408J
|
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|
|
1"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380408
|
Log in to view price
|
|
1-1/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380410J
|
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|
|
1-1/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380410
|
Log in to view price
|
|
1-1/2"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380412J
|
Log in to view price
|
|
1-1/2"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380412
|
Log in to view price
|
|
1-3/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380414J
|
Log in to view price
|
|
1-3/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380414
|
Log in to view price
|
KM-USA High Head Grade 8 (SAE) Hex Head Cap Screws - Zinc Plated
High-head Grade 8 hex head cap screws made from medium carbon alloy steel with zinc yellow trivalent plating. Features a taller head for improved wrenchability, roll-formed fine threads for fatigue resistance and a 30° head point for easier alignment; tensile strength 150,000 psi.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/2"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390404J
|
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|
|
1/2"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390404
|
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|
|
3/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390406J
|
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|
|
3/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390406
|
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|
|
1"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390408J
|
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|
|
1"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390408
|
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|
|
1-1/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390410J
|
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|
|
1-1/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390410
|
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|
|
1-1/2"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390412J
|
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|
|
1-1/2"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390412
|
Log in to view price
|
|
1-3/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390414J
|
Log in to view price
|
|
1-3/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390414
|
Log in to view price
|
Standard Grade 8 (USS) Hex Head Cap Screws - Zinc Plated
Standard Grade 8 USS hex head cap screws made from medium carbon alloy steel with RoHS-compliant yellow trivalent zinc plating. High tensile strength (150,000 psi) for demanding applications. Coarse threads and hex head provide reliable clamping and corrosion resistance for industrial assemblies.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/2"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580404
|
Log in to view price
|
|
Package Weight: 1.2 lbs
|
||||||
|
5/8"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580405
|
Log in to view price
|
|
Package Weight: 1.3 lbs
|
||||||
|
3/4"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580406
|
Log in to view price
|
|
Package Weight: 1.5 lbs
|
||||||
|
7/8"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580407
|
Log in to view price
|
|
Package Weight: 1.6 lbs
|
||||||
|
1"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580408
|
Log in to view price
|
|
Package Weight: 1.7 lbs
|
||||||
|
1-1/4"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580410
|
Log in to view price
|
|
Package Weight: 2.1 lbs
|
||||||
|
1-1/2"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580412
|
Log in to view price
|
|
1-3/4"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580414
|
Log in to view price
|
|
2"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
580416
|
Log in to view price
|
|
Package Weight: 3.1 lbs
|
||||||
|
2-1/4"
|
1/4"-20
|
Coarse
|
Standard
|
50
|
580418
|
Log in to view price
|
|
Package Weight: 1.8 lbs
|
||||||
|
2-1/2"
|
1/4"-20
|
Coarse
|
Standard
|
50
|
580420
|
Log in to view price
|
|
Package Weight: 1.9 lbs
|
||||||
|
2-3/4"
|
1/4"-20
|
Coarse
|
Standard
|
50
|
580422
|
Log in to view price
|
|
Package Weight: 2.1 lbs
|
||||||
Standard Grade 8 (SAE) Hex Head Cap Screws - Zinc Plated
Standard Grade 8 SAE hex head cap screws made from medium carbon alloy steel with a RoHS‑compliant yellow trivalent zinc finish. Fine threads and high tensile strength (150,000 psi) provide durability for demanding assemblies and improved resistance to corrosion.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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Log In or Create Login Not a Kimball Midwest Customer? Register |
|---|---|---|---|---|---|---|
|
1/2"
|
1/4"-28
|
Fine
|
Standard
|
100
|
590404
|
Log in to view price
|
|
Package Weight: 1.2 lbs
|
||||||
|
3/4"
|
1/4"-28
|
Fine
|
Standard
|
100
|
590406
|
Log in to view price
|
|
Package Weight: 1.5 lbs
|
||||||
|
1"
|
1/4"-28
|
Fine
|
Standard
|
100
|
590408
|
Log in to view price
|
|
1-1/4"
|
1/4"-28
|
Fine
|
Standard
|
100
|
590410
|
Log in to view price
|
|
1-1/2"
|
1/4"-28
|
Fine
|
Standard
|
100
|
590412
|
Log in to view price
|
|
1-3/4"
|
1/4"-28
|
Fine
|
Standard
|
100
|
590414
|
Log in to view price
|
|
2"
|
1/4"-28
|
Fine
|
Standard
|
100
|
590416
|
Log in to view price
|
|
Package Weight: 3.4 lbs
|
||||||
|
2-1/4"
|
1/4"-28
|
Fine
|
Standard
|
50
|
590418
|
Log in to view price
|
|
Package Weight: 1.8 lbs
|
||||||
|
2-1/2"
|
1/4"-28
|
Fine
|
Standard
|
50
|
590420
|
Log in to view price
|
|
Package Weight: 2.1 lbs
|
||||||
|
2-3/4"
|
1/4"-28
|
Fine
|
Standard
|
50
|
590422
|
Log in to view price
|
|
Package Weight: 2.1 lbs
|
||||||
|
3"
|
1/4"-28
|
Fine
|
Standard
|
50
|
590424
|
Log in to view price
|
|
Package Weight: 2.4 lbs
|
||||||
|
3-1/4"
|
1/4"-28
|
Fine
|
Standard
|
25
|
590426
|
Log in to view price
|
|
Package Weight: 1.3 lbs
|
||||||
Standard Grade 8 (USS) Hex Head Cap Screws - Plain Finish
Standard Grade 8 USS hex head cap screws made from medium carbon alloy steel with a plain finish. Coarse threads, hex head drive and 150,000 psi tensile strength provide high clamping force for demanding applications and help improve joint safety while meeting industry specifications.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/2"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
3810404
|
Log in to view price
|
|
3/4"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
3810406
|
Log in to view price
|
|
1"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
3810408
|
Log in to view price
|
|
1-1/4"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
3810410
|
Log in to view price
|
|
1-1/2"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
3810412
|
Log in to view price
|
|
1-3/4"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
3810414
|
Log in to view price
|
|
2"
|
1/4"-20
|
Coarse
|
Standard
|
100
|
3810416
|
Log in to view price
|
|
2-1/4"
|
1/4"-20
|
Coarse
|
Standard
|
50
|
3810418
|
Log in to view price
|
|
2-1/2"
|
1/4"-20
|
Coarse
|
Standard
|
50
|
3810420
|
Log in to view price
|
|
3"
|
1/4"-20
|
Coarse
|
Standard
|
50
|
3810424
|
Log in to view price
|
Diameter: 5/16"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/2"
|
5/16"-18
|
Coarse
|
Standard
|
100
|
3810504
|
Log in to view price
|
|
3/4"
|
5/16"-18
|
Coarse
|
Standard
|
100
|
3810506
|
Log in to view price
|
Standard Grade 8 (SAE) Hex Head Cap Screws - Plain Finish
Standard Grade 8 SAE hex head cap screws made from medium carbon alloy steel with a plain finish. High tensile strength for demanding assemblies. Fine threads and ASME B18.2 conformity on applicable sizes provide reliable clamping and improved joint safety.
Diameter: 5/16"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
3/4"
|
5/16"-24
|
Fine
|
Standard
|
100
|
3910508
|
Log in to view price
|
Diameter: 3/8"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1"
|
3/8"-24
|
Fine
|
Standard
|
100
|
3910608
|
Log in to view price
|
|
1-1/2"
|
3/8"-24
|
Fine
|
Standard
|
100
|
3910612
|
Log in to view price
|
|
1-3/4"
|
3/8"-24
|
Fine
|
Standard
|
100
|
3910614
|
Log in to view price
|
|
2"
|
3/8"-24
|
Fine
|
Standard
|
100
|
3910616
|
Log in to view price
|
|
2-1/2"
|
3/8"-24
|
Fine
|
Standard
|
50
|
3910620
|
Log in to view price
|
|
3"
|
3/8"-24
|
Fine
|
Standard
|
50
|
3910624
|
Log in to view price
|
|
3-1/2"
|
3/8"-24
|
Fine
|
Standard
|
25
|
3910628
|
Log in to view price
|
|
4"
|
3/8"-24
|
Fine
|
Standard
|
25
|
3910632
|
Log in to view price
|
Diameter: 7/16"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1"
|
7/16"-20
|
Fine
|
Standard
|
50
|
3910708
|
Log in to view price
|
|
1-1/2"
|
7/16"-20
|
Fine
|
Standard
|
50
|
3910712
|
Log in to view price
|
|
2"
|
7/16"-20
|
Fine
|
Standard
|
50
|
3910716
|
Log in to view price
|
Armor Coat™ Grade 8 (USS) Hex Head Cap Screws
Armor Coat™ Grade 8 hex head cap screws made from medium carbon alloy steel with Armor Coat finish and coarse USS threads. High-strength (150,000 psi) Grade 8 hardware that resists severe corrosion and provides greater tensile strength than typical stainless steel. Suitable for heavy-duty assemblies.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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Log In or Create Login Not a Kimball Midwest Customer? Register |
|---|---|---|---|---|---|---|
|
1/2"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
100
|
3820404
|
Log in to view price
|
|
3/4"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
100
|
3820406
|
Log in to view price
|
|
1"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
100
|
3820408
|
Log in to view price
|
|
1-1/4"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
100
|
3820410
|
Log in to view price
|
|
1-1/2"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
100
|
3820412
|
Log in to view price
|
|
1-3/4"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
50
|
3820414
|
Log in to view price
|
|
2"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
50
|
3820416
|
Log in to view price
|
|
2-1/4"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
50
|
3820418
|
Log in to view price
|
|
2-1/2"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
50
|
3820420
|
Log in to view price
|
|
2-3/4"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
50
|
3820422
|
Log in to view price
|
|
3"
|
1/4"-20
|
Coarse
|
Armor Coat™
|
50
|
3820424
|
Log in to view price
|
Diameter: 5/16"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
3/4"
|
5/16"-18
|
Coarse
|
Armor Coat™
|
100
|
3820506
|
Log in to view price
|
Standard Grade 8 (USS) Fully Threaded Hex Head Tap Bolts - Zinc Plated
Fully threaded Grade 8 USS hex head tap bolts made from medium carbon alloy steel with a yellow trivalent zinc finish. Coarse threads and 150,000 psi minimum tensile strength provide high load capacity and full engagement in tapped holes. Suited for heavy-duty assemblies.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1-1/4"
|
1/4"-20
|
Coarse
|
Tap Bolt
|
50
|
384410
|
Log in to view price
|
|
1-1/2"
|
1/4"-20
|
Coarse
|
Tap Bolt
|
50
|
384412
|
Log in to view price
|
|
2"
|
1/4"-20
|
Coarse
|
Tap Bolt
|
50
|
384416
|
Log in to view price
|
|
2-1/2"
|
1/4"-20
|
Coarse
|
Tap Bolt
|
25
|
384420
|
Log in to view price
|
|
3"
|
1/4"-20
|
Coarse
|
Tap Bolt
|
25
|
384424
|
Log in to view price
|
Diameter: 5/16"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1-1/2"
|
5/16"-18
|
Coarse
|
Tap Bolt
|
50
|
384512
|
Log in to view price
|
|
1-3/4"
|
5/16"-18
|
Coarse
|
Tap Bolt
|
50
|
384514
|
Log in to view price
|
|
2"
|
5/16"-18
|
Coarse
|
Tap Bolt
|
50
|
384516
|
Log in to view price
|
|
2-1/2"
|
5/16"-18
|
Coarse
|
Tap Bolt
|
25
|
384520
|
Log in to view price
|
|
3"
|
5/16"-18
|
Coarse
|
Tap Bolt
|
25
|
384524
|
Log in to view price
|
Diameter: 3/8"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1-1/2"
|
3/8"-16
|
Coarse
|
Tap Bolt
|
50
|
384612
|
Log in to view price
|
|
1-3/4"
|
3/8"-16
|
Coarse
|
Tap Bolt
|
50
|
384614
|
Log in to view price
|
KM-USA Grade 8 (USS) High Head Hex Head Cap Screw Assortments
Assortments of KM‑USA high head hex head cap screws, nuts and washers made from medium carbon alloy steel with a yellow trivalent zinc finish. Grade 8 components feature higher heads for improved wrenchability, roll‑formed coarse threads for fatigue resistance and 150,000 psi tensile strength.
Storage Type: 24-Compartment Drawer
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
KM-USA High Head Hex Head Grade 8 (USS) Cap Screw Assortment (1/4" - 3/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
750
|
1
|
40388
|
Log in to view price
|
Storage Type: 40-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
KM-USA High Head Hex Head Grade 8 (USS) Cap Screw Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
1,735
|
1
|
40380
|
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|
|
KM-USA High Head Hex Head Grade 8 (USS) Cap Screw Assortment (3/4" - 1")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
230
|
1
|
403811
|
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|
|
KM-USA High Head Hex Head Grade 8 Cap Screw Small Assortment (1/4" - 3/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
1,200
|
1
|
403801
|
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|
Storage Type: 80-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
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|---|---|---|---|---|---|---|---|
|
KM-USA High Head Grade 8 Hex Head (USS & SAE) Cap Screw Assortment (1/4" - 5/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE, USS
|
3,000
|
1
|
40383
|
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|
|
KM-USA High Head Hex Head Grade 8 (USS) Cap Screw Large Assortment (1/4" - 5/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
2,720
|
1
|
40381
|
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|
|
KM-USA High Head Hex Head Grade 8 (USS) Cap Screw Large Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
3,775
|
1
|
40385
|
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|
|
KM-USA High Head Hex Head Grade 8 (USS) Cap Screw Small Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
1,910
|
1
|
40386
|
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|
Storage Type: 120-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
KM-USA High Head Hex Head Grade 8 Cap Screw Large Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
3,510
|
1
|
403803
|
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|
Storage Type: Refill Kit
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Refill Kit for KM-USA High Head Grade 8 Hex Head (USS & SAE) Cap Screw Assortment (1/4" - 5/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE, USS
|
3,000
|
1
|
40383RE
|
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|
|
Refill Kit for KM-USA High Head Grade 8 Hex Head (USS) Cap Screw Large Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
3,775
|
1
|
40385RE
|
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|
|
Refill Kit for KM-USA High Head Grade 8 Hex Head Cap Screw Large Assortment (1/4" - 5/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
2,720
|
1
|
40381RE
|
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|
KM-USA Grade 8 (SAE) Hex Head Cap Screw Assortments
KM‑USA Grade 8 SAE hex head cap screw assortments made from medium carbon alloy steel with yellow trivalent zinc finish. High‑head design improves wrenchability and a 30° head point aids alignment; roll‑formed fine threads improve fatigue resistance and provide high tensile strength.
Storage Type: 24-Compartment Drawer
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
KM-USA High Head Hex Head Grade 8 (SAE) Cap Screw Assortment (1/4" - 3/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
620
|
1
|
40398
|
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|
Storage Type: 40-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
KM-USA High Head Hex Head Grade 8 (SAE) Cap Screw Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
1,735
|
1
|
40390
|
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|
|
KM-USA High Head Hex Head Grade 8 (SAE) Cap Screw Assortment (3/4" - 1")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
230
|
1
|
403911
|
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|
Storage Type: 80-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
KM-USA High Head Hex Head Grade 8 (SAE) Cap Screw Large Assortment (1/4" - 5/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
2,720
|
1
|
40391
|
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|
|
KM-USA High Head Hex Head Grade 8 (SAE) Cap Screw Large Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
3,375
|
1
|
40395
|
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|
|
KM-USA High Head Hex Head Grade 8 (SAE) Cap Screw Small Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
1,910
|
1
|
40396
|
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|
Storage Type: Refill Kit
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Refill Kit for KM-USA High Head Grade 8 Hex Head Cap Screw Small Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
1,910
|
1
|
40396RE
|
Log in to view price
|
|
Refill Kit for KM-USA High Head Hex Grade 8 Head Cap Screw Small Assortment (1/4" - 5/8")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
2,720
|
1
|
40391RE
|
Log in to view price
|
|
Refill Kit for KM-USA High Head Hex Head Grade 8 Cap Screw Large Assortment (3/4" - 1")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
230
|
1
|
403911RE
|
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|
Standard Grade 8 (USS) Hex Head Cap Screw Assortments
Assortments of Grade 8 USS hex head cap screws and complementary nuts and washers made from medium carbon alloy steel with yellow trivalent zinc finish. High tensile strength (150,000 psi) provides durability for demanding applications and meets industry specs.
Storage Type: 24-Compartment Drawer
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Fully Threaded Grade 8 Hex Head Cap Screw (Tap Bolt) Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
180
|
1
|
403881
|
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|
Storage Type: 40-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Grade 8 (USS) Hex Head Cap Screw Small Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
1,735
|
1
|
4038058
|
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|
Storage Type: 80-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Grade 8 Hex Head Cap Screw (USS) Assortment (1/4" - 3/4")
|
Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
1,910
|
1
|
4038658
|
Log in to view price
|
|
Package Weight: 183.1 lbs
|
|||||||
Storage Type: Refill Kit
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Refill Kit for Grade 8 (USS) Hex Head Cap Screw Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
1,735
|
1
|
4038058RE
|
Log in to view price
|
|
Refill Kit for Grade 8 Hex Head Cap Screw (USS) Assortment (1/4" - 3/4")
|
Alloy Steel
|
Zinc, Yellow Trivalent
|
USS
|
1,910
|
1
|
4038658RE
|
Log in to view price
|
Standard Grade 8 (SAE) Hex Head Cap Screw Assortments
Assortments of Grade 8 SAE hex head cap screws, nuts and washers made from medium carbon alloy steel with yellow trivalent zinc finish. High tensile strength (150,000 psi) for demanding applications; zinc plating helps resist corrosion. Ideal for heavy-duty repairs.
Storage Type: 40-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Grade 8 (SAE) Hex Head Cap Screw Small Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
1,735
|
1
|
4039059
|
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|
Storage Type: 80-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Grade 8 Hex Head Cap Screw (SAE) Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
1,910
|
1
|
4039659
|
Log in to view price
|
|
Package Weight: 181.8 lbs
|
|||||||
Storage Type: Refill Kit
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Refill Kit for Grade 8 (SAE) Hex Head Cap Screw Small Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
1,735
|
1
|
4039059RE
|
Log in to view price
|
|
Refill Kit for Grade 8 Hex Head Cap Screw (SAE) Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Zinc, Yellow Trivalent
|
SAE
|
1,910
|
1
|
4039659RE
|
Log in to view price
|
Armor Coat™ Grade 8 Hex Head Cap Screw Assortments
Armor Coat™ Grade 8 hex head cap screw assortments are medium‑carbon alloy steel fasteners with a high‑tensile Grade 8 core and an Armor Coat finish. Coarse threads and hex heads provide durable clamping; the Armor Coat finish resists corrosion for demanding environments.
Storage Type: 40-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Grade 8 Armor Coat™ Hex Head Cap Screw Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Armor Coat
|
USS
|
1,735
|
1
|
40387
|
Log in to view price
|
|
Package Weight: 93.2 lbs
|
|||||||
Storage Type: 80-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Grade 8 Armor Coat™ Hex Head Cap Screw Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Armor Coat
|
USS
|
1,910
|
1
|
403875
|
Log in to view price
|
|
Package Weight: 177.9 lbs
|
|||||||
|
Grade 8 Hex Head Cap Screw Assortment (1/4" - 5/8")
|
Medium Carbon Alloy Steel
|
Armor Coat
|
USS
|
2,720
|
1
|
403872
|
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|
|
Package Weight: 166.7 lbs
|
|||||||
Storage Type: Refill Kit
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Refill Kit for Grade 8 Armor Coat™ (USS) Hex Head Cap Screw Large Assortment (1/4" - 5/8")
|
Medium Carbon Alloy Steel
|
Armor Coat
|
USS
|
2,720
|
1
|
403872RE
|
Log in to view price
|
|
Refill Kit for Grade 8 Armor Coat™ (USS) Hex Head Cap Screw Small Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Armor Coat
|
USS
|
1,910
|
1
|
403875RE
|
Log in to view price
|
|
Refill Kit for Grade 8 Armor Coat™ Hex Head Cap Screw Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Armor Coat
|
USS
|
1,735
|
1
|
40387RE
|
Log in to view price
|
Standard Plain Finish Grade 8 (USS) Hex Head Cap Screw Assortments
Assortments of Grade 8 hex head cap screws and related nuts, washers, and lock washers made from medium carbon alloy steel with a plain finish. Coarse threads and high tensile strength provide durability for demanding applications and help deliver extra margin of job safety.
Storage Type: 40-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Grade 8 Hex Head Cap Screw Small Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Plain
|
USS
|
1,735
|
1
|
403864
|
Log in to view price
|
|
Package Weight: 96.7 lbs
|
|||||||
Storage Type: 80-Hole Bin
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Grade 8 Hex Head Cap Screw Large Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Plain
|
USS
|
1,910
|
1
|
403868
|
Log in to view price
|
|
Package Weight: 175.3 lbs
|
|||||||
Storage Type: Refill Kit
| Name | Material | Finish | Measurement Type | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
Refill Kit for Grade 8 (USS) Hex Head Cap Screw Small Assortment (1/4" - 1/2")
|
Medium Carbon Alloy Steel
|
Plain
|
USS
|
1,735
|
1
|
403864RE
|
Log in to view price
|
|
Refill Kit for Grade 8 Hex Head Cap Screw Small Assortment (1/4" - 3/4")
|
Medium Carbon Alloy Steel
|
Plain
|
USS
|
1,910
|
1
|
403868RE
|
Log in to view price
|
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Steeped in Kimball Midwest's commitment to American-made quality, our Grade 8 Hex Head cap screws are known for their superior strength and durability. They're ideal for heavy-duty applications where superior tensile strength is necessary.
Superior Strength and Durability
Our Grade 8 cap screws are crafted from high-strength carbon alloy steel and are designed for demanding applications and to deliver an extra margin of job safety. Their impressive strength makes them suitable for various industrial, machinery and automotive applications.
Cap Screws For Versatile Applications
Our hex head cap screws come in various sizes and lengths, making them versatile for different uses. Whether you need fasteners for machinery, construction or maintenance tasks, our Grade 8 screws offer the reliability you need to get the job done right. Choose from a variety of screw series including Armor Coat™, KM-USA High Head, Standard and Tap Bolt.
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