L-9 Hex Head Cap Screws
When a Grade 8 bolt is not enough, L-9 hex head cap screws bring serious clamp load for high-stress, severe-service joints. Built from AISI 8640H alloy steel with 180,000-200,000 psi tensile strength for heavy equipment, presses, structural repairs. Choose SAE or USS threads to match your tapped holes. Meets ASTM F606, RoHS.
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L9 Hex Head Cap Screws
L9 USS hex head cap screws made from high-grade AISI 8640H alloy steel with zinc yellow trivalent finish. L9 grade offers 180,000 to 200,000 psi tensile strength and improved torque-tension control, which provides higher clamp loads and superior holding for severe-service, high-stress applications. Made in the U.S.A.
Thread Type: Coarse
| Item # | Diameter | Length | Thread Size | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
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980404
|
1/4"
|
1/4"-20
|
100
|
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|
|
980504
|
5/16"
|
5/16"-18
|
100
|
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|
|
980604
|
3/8"
|
3/8"-16
|
100
|
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|
|
980706
|
7/16"
|
7/16"-14
|
50
|
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|
|
980806
|
1/2"
|
1/2"-13
|
25
|
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|
|
980908
|
9/16"
|
9/16"-12
|
25
|
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|
|
981008
|
5/8"
|
5/8"-11
|
25
|
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|
|
981212
|
3/4"
|
3/4"-10
|
20
|
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|
|
981416
|
7/8"
|
7/8"-9
|
10
|
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|
|
981616
|
1"
|
1"-8
|
10
|
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L9 (SAE) Hex Head Cap Screws
L9 SAE hex head cap screws made from high-strength AISI 8640H alloy steel fasteners with fine threads and zinc yellow trivalent finish. Engineered for severe, high-stress service, the L9 design develops higher clamp loads and more consistent holding power for heavy-duty assemblies. Made in the U.S.A.
Diameter: 1/4"
| Item # | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
990404
|
1/2"
|
1/4"-28
|
Fine
|
100
|
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|
|
990406
|
3/4"
|
1/4"-28
|
Fine
|
100
|
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|
|
990408
|
1"
|
1/4"-28
|
Fine
|
100
|
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|
|
990410
|
1-1/4"
|
1/4"-28
|
Fine
|
100
|
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|
|
990412
|
1-1/2"
|
1/4"-28
|
Fine
|
100
|
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|
|
990414
|
1-3/4"
|
1/4"-28
|
Fine
|
100
|
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|
|
990416
|
2"
|
1/4"-28
|
Fine
|
100
|
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|
|
990420
|
2-1/2"
|
1/4"-28
|
Fine
|
50
|
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|
|
990424
|
3"
|
1/4"-28
|
Fine
|
50
|
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Diameter: 5/16"
| Item # | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
990504
|
1/2"
|
5/16"-24
|
Fine
|
100
|
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|
|
990506
|
3/4"
|
5/16"-24
|
Fine
|
100
|
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|
|
990508
|
1"
|
5/16"-24
|
Fine
|
100
|
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|
|
990510
|
1-1/4"
|
5/16"-24
|
Fine
|
100
|
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|
|
990512
|
1-1/2"
|
5/16"-24
|
Fine
|
100
|
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|
|
990514
|
1-3/4"
|
5/16"-24
|
Fine
|
100
|
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|
|
990516
|
2"
|
5/16"-24
|
Fine
|
100
|
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|
|
990520
|
2-1/2"
|
5/16"-24
|
Fine
|
50
|
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|
|
990524
|
3"
|
5/16"-24
|
Fine
|
50
|
Log in to view price |
Diameter: 3/8"
| Item # | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
990606
|
3/4"
|
3/8"-24
|
Fine
|
100
|
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|
|
990608
|
1"
|
3/8"-24
|
Fine
|
100
|
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|
|
990610
|
1-1/4"
|
3/8"-24
|
Fine
|
100
|
Log in to view price | |
|
|
990612
|
1-1/2"
|
3/8"-24
|
Fine
|
100
|
Log in to view price | |
|
|
990614
|
1-3/4"
|
3/8"-24
|
Fine
|
100
|
Log in to view price | |
|
|
990616
|
2"
|
3/8"-24
|
Fine
|
100
|
Log in to view price | |
|
|
990620
|
2-1/2"
|
3/8"-24
|
Fine
|
50
|
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|
|
990624
|
3"
|
3/8"-24
|
Fine
|
50
|
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|
|
990628
|
3-1/2"
|
3/8"-24
|
Fine
|
25
|
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|
|
990632
|
4"
|
3/8"-24
|
Fine
|
25
|
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Diameter: 7/16"
| Item # | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
990708
|
1"
|
7/16"-20
|
Fine
|
50
|
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|
|
990710
|
1-1/4"
|
7/16"-20
|
Fine
|
50
|
Log in to view price | |
|
|
990712
|
1-1/2"
|
7/16"-20
|
Fine
|
50
|
Log in to view price | |
|
|
990714
|
1-3/4"
|
7/16"-20
|
Fine
|
50
|
Log in to view price | |
|
|
990716
|
2"
|
7/16"-20
|
Fine
|
50
|
Log in to view price | |
|
|
990720
|
2-1/2"
|
7/16"-20
|
Fine
|
50
|
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|
|
990724
|
3"
|
7/16"-20
|
Fine
|
50
|
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|
|
990728
|
3-1/2"
|
7/16"-20
|
Fine
|
25
|
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|
|
990732
|
4"
|
7/16"-20
|
Fine
|
25
|
Log in to view price |
Diameter: 1/2"
| Item # | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
990808
|
1"
|
1/2"-20
|
Fine
|
25
|
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|
|
990810
|
1-1/4"
|
1/2"-20
|
Fine
|
25
|
Log in to view price | |
|
|
990812
|
1-1/2"
|
1/2"-20
|
Fine
|
25
|
Log in to view price | |
|
|
990814
|
1-3/4"
|
1/2"-20
|
Fine
|
25
|
Log in to view price | |
|
|
990816
|
2"
|
1/2"-20
|
Fine
|
25
|
Log in to view price | |
|
|
990820
|
2-1/2"
|
1/2"-20
|
Fine
|
25
|
Log in to view price | |
|
|
990824
|
3"
|
1/2"-20
|
Fine
|
25
|
Log in to view price | |
|
|
990828
|
3-1/2"
|
1/2"-20
|
Fine
|
25
|
Log in to view price | |
|
|
990832
|
4"
|
1/2"-20
|
Fine
|
25
|
Log in to view price | |
|
|
990836
|
4-1/2"
|
1/2"-20
|
Fine
|
25
|
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|
|
990840
|
5"
|
1/2"-20
|
Fine
|
25
|
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|
|
990848
|
6"
|
1/2"-20
|
Fine
|
25
|
Log in to view price |
Diameter: 9/16"
| Item # | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
990912
|
1-1/2"
|
9/16"-18
|
Fine
|
25
|
Log in to view price | |
|
|
990916
|
2"
|
9/16"-18
|
Fine
|
25
|
Log in to view price | |
|
|
990920
|
2-1/2"
|
9/16"-18
|
Fine
|
25
|
Log in to view price | |
|
|
990924
|
3"
|
9/16"-18
|
Fine
|
25
|
Log in to view price | |
|
|
990928
|
3-1/2"
|
9/16"-18
|
Fine
|
25
|
Log in to view price | |
|
|
990932
|
4"
|
9/16"-18
|
Fine
|
25
|
Log in to view price |
Diameter: 5/8"
| Item # | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
991008
|
1"
|
5/8"-18
|
Fine
|
25
|
Log in to view price | |
|
|
991012
|
1-1/2"
|
5/8"-18
|
Fine
|
25
|
Log in to view price | |
|
|
991014
|
1-3/4"
|
5/8"-18
|
Fine
|
25
|
Log in to view price | |
|
|
991016
|
2"
|
5/8"-18
|
Fine
|
25
|
Log in to view price | |
|
|
991020
|
2-1/2"
|
5/8"-18
|
Fine
|
25
|
Log in to view price | |
|
|
991024
|
3"
|
5/8"-18
|
Fine
|
25
|
Log in to view price | |
|
|
991028
|
3-1/2"
|
5/8"-18
|
Fine
|
25
|
Log in to view price | |
|
|
991032
|
4"
|
5/8"-18
|
Fine
|
25
|
Log in to view price | |
|
|
991036
|
4-1/2"
|
5/8"-18
|
Fine
|
10
|
Log in to view price | |
|
|
991040
|
5"
|
5/8"-18
|
Fine
|
10
|
Log in to view price | |
|
|
991044
|
5-1/2"
|
5/8"-18
|
Fine
|
10
|
Log in to view price | |
|
|
991048
|
6"
|
5/8"-18
|
Fine
|
10
|
Log in to view price |
Diameter: 3/4"
| Item # | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
991212
|
1-1/2"
|
3/4"-16
|
Fine
|
20
|
Log in to view price | |
|
|
991214
|
1-3/4"
|
3/4"-16
|
Fine
|
20
|
Log in to view price | |
|
|
991216
|
2"
|
3/4"-16
|
Fine
|
20
|
Log in to view price | |
|
|
991220
|
2-1/2"
|
3/4"-16
|
Fine
|
20
|
Log in to view price | |
|
|
991224
|
3"
|
3/4"-16
|
Fine
|
20
|
Log in to view price | |
|
|
991228
|
3-1/2"
|
3/4"-16
|
Fine
|
20
|
Log in to view price | |
|
|
991232
|
4"
|
3/4"-16
|
Fine
|
10
|
Log in to view price | |
|
|
991236
|
4-1/2"
|
3/4"-16
|
Fine
|
10
|
Log in to view price | |
|
|
991240
|
5"
|
3/4"-16
|
Fine
|
10
|
Log in to view price | |
|
|
991244
|
5-1/2"
|
3/4"-16
|
Fine
|
10
|
Log in to view price | |
|
|
991248
|
6"
|
3/4"-16
|
Fine
|
10
|
Log in to view price |
134 options | Item #:
980404
Price
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78 options | Item #:
990404
Price
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