Locknuts
52 results
Grade 8 Nylon Insert Lock Nuts - Coarse Thread (USS)
Grade 8 nylon insert lock nuts made from carbon steel with yellow zinc plating and a purple nylon collar. Flange head design provides 360° locking to resist loosening from vibration and helps seal coarse USS threads against corrosion for easier removal.
| Diameter | Thread Size | Width Across Flats | Height | Material | Finish | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|---|
|
1/4"
|
1/4"-20
|
7/16"
|
5/16"
|
Carbon Steel
|
Yellow Zinc Plated
|
50
|
348404
|
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|
|
Package Weight: 0.5 lbs
|
||||||||
|
5/16"
|
5/16"-18
|
1/2"
|
11/32"
|
Carbon Steel
|
Yellow Zinc Plated
|
50
|
348405
|
Log in to view price
|
|
Package Weight: 0.6 lbs
|
||||||||
|
3/8"
|
3/4"-16
|
9/16"
|
29/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348406
|
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|
|
Package Weight: 0.4 lbs
|
||||||||
|
7/16"
|
7/16"-14
|
5/8"
|
29/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348407
|
Log in to view price
|
|
Package Weight: 0.6 lbs
|
||||||||
|
1/2"
|
1/2"-13
|
3/4"
|
19/32"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348408
|
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|
|
Package Weight: 1.1 lbs
|
||||||||
|
9/16"
|
9/16"-12
|
7/8"
|
41/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348409
|
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|
|
Package Weight: 1.7 lbs
|
||||||||
|
5/8"
|
5/8"-11
|
15/16"
|
3/4"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348410
|
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|
|
Package Weight: 2.2 lbs
|
||||||||
|
3/4"
|
3/4"-10
|
1-1/16"
|
7/8"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348412
|
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|
|
Package Weight: 1.3 lbs
|
||||||||
|
7/8"
|
7/8"-9
|
1-1/8"
|
63/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348414
|
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|
|
1"
|
1"-8
|
1-7/16"
|
1-3/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348416
|
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|
|
Package Weight: 2.7 lbs
|
||||||||
|
1-1/8"
|
1-1/8"-7
|
1-5/8"
|
1-11/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348418
|
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|
|
Package Weight: 3.8 lbs
|
||||||||
|
1-1/4"
|
1-1/4"-7
|
1-13/16"
|
1-25/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348420
|
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|
|
Package Weight: 5.7 lbs
|
||||||||
Grade 8 Nylon Insert Lock Nuts - Fine Thread (SAE)
Grade 8 nylon insert lock nuts in carbon steel with yellow zinc finish and fine SAE threads. A molded nylon collar provides 360° locking to resist loosening from vibration and seals threads to reduce corrosion. Usable from -65 °F to 250 °F for heavy-duty assemblies.
| Diameter | Thread Size | Width Across Flats | Height | Material | Finish | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|---|
|
1/4"
|
1/4"-28
|
7/16"
|
5/16"
|
Carbon Steel
|
Yellow Zinc Plated
|
50
|
348504
|
Log in to view price
|
|
Package Weight: 0.4 lbs
|
||||||||
|
5/16"
|
5/16"-24
|
1/2"
|
11/32"
|
Carbon Steel
|
Yellow Zinc Plated
|
50
|
348505
|
Log in to view price
|
|
Package Weight: 0.6 lbs
|
||||||||
|
3/8"
|
3/8"-24
|
9/16"
|
29/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348506
|
Log in to view price
|
|
Package Weight: 0.5 lbs
|
||||||||
|
7/16"
|
7/16"-20
|
5/8"
|
29/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348507
|
Log in to view price
|
|
Package Weight: 0.5 lbs
|
||||||||
|
1/2"
|
1/2"-20
|
3/4"
|
19/32"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348508
|
Log in to view price
|
|
Package Weight: 1.1 lbs
|
||||||||
|
9/16"
|
9/16"-18
|
7/8"
|
41/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348509
|
Log in to view price
|
|
Package Weight: 1.6 lbs
|
||||||||
|
5/8"
|
5/8"-18
|
15/16"
|
3/4"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348510
|
Log in to view price
|
|
Package Weight: 2.1 lbs
|
||||||||
|
3/4"
|
3/4"-16
|
1-1/16"
|
7/8"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348512
|
Log in to view price
|
|
Package Weight: 1.2 lbs
|
||||||||
|
7/8"
|
7/8"-14
|
1-1/8"
|
63/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348514
|
Log in to view price
|
|
Package Weight: 1.9 lbs
|
||||||||
|
1"
|
1"-14
|
1-7/16"
|
1-3/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348516
|
Log in to view price
|
|
Package Weight: 2.7 lbs
|
||||||||
|
1-1/8"
|
1-1/8"-12
|
1-5/8"
|
1-11/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348518
|
Log in to view price
|
|
Package Weight: 3.7 lbs
|
||||||||
|
1-1/4"
|
1-1/4"-12
|
1-13/16"
|
1-25/64"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348520
|
Log in to view price
|
|
Package Weight: 5.5 lbs
|
||||||||
Grade C Ultra-Lock Reversible Lock Nuts - Coarse Thread (USS)
Grade C Ultra-Lock reversible lock nuts made from heat‑treated carbon steel with a yellow dichromate finish. Double‑indent prevailing torque design resists vibration loosening and maintains locking torque through multiple installations. Suitable for high‑strength assemblies.
| Diameter | Thread Size | Width Across Flats | Height | Material | Finish | Package Qty | Item # |
Price
Want to view pricing for this product?
Log In or Create Login Not a Kimball Midwest Customer? Register |
|---|---|---|---|---|---|---|---|---|
|
1/4"
|
1/4"-20
|
7/16"
|
7/32"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348704
|
Log in to view price
|
|
5/16"
|
5/16"-18
|
1/2"
|
17/64"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348705
|
Log in to view price
|
|
3/8"
|
3/8"-16
|
9/16"
|
21/64"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348706
|
Log in to view price
|
|
7/16"
|
7/16"-14
|
11/16"
|
3/8"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348707
|
Log in to view price
|
|
1/2"
|
1/2"-13
|
3/4"
|
7/16"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348708
|
Log in to view price
|
|
9/16"
|
9/16"-12
|
7/8"
|
31/64"
|
Carbon Steel
|
Yellow Dichromate
|
25
|
348709
|
Log in to view price
|
|
5/8"
|
5/8"-11
|
15/16"
|
35/64"
|
Carbon Steel
|
Yellow Dichromate
|
25
|
348710
|
Log in to view price
|
|
3/4"
|
3/4"-10
|
1-1/8"
|
41/64"
|
Carbon Steel
|
Yellow Dichromate
|
25
|
348712
|
Log in to view price
|
|
7/8"
|
7/8"-9
|
1-5/16"
|
47/64"
|
Carbon Steel
|
Yellow Dichromate
|
10
|
348714
|
Log in to view price
|
|
1"
|
1"-8
|
1-1/2"
|
55/64"
|
Carbon Steel
|
Yellow Dichromate
|
10
|
348716
|
Log in to view price
|
|
Package Weight: 2.7 lbs
|
||||||||
Grade C Ultra-Lock Reversible Lock Nuts - Fine Thread (SAE)
Grade C Ultra‑Lock reversible lock nuts made from heat‑treated carbon steel with yellow dichromate finish. Double indent prevailing torque design resists vibration and provides repeatable locking torque.
| Diameter | Thread Size | Width Across Flats | Height | Material | Finish | Package Qty | Item # |
Price
Want to view pricing for this product?
Log In or Create Login Not a Kimball Midwest Customer? Register |
|---|---|---|---|---|---|---|---|---|
|
1/4"
|
1/4"-28
|
7/16"
|
7/32"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348804
|
Log in to view price
|
|
5/16"
|
5/16"-24
|
1/2"
|
17/64"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348805
|
Log in to view price
|
|
3/8"
|
3/8"-24
|
9/16"
|
21/64"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348806
|
Log in to view price
|
|
7/16"
|
7/16"-20
|
11/16"
|
3/8"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348807
|
Log in to view price
|
|
1/2"
|
1/2"-20
|
3/4"
|
7/16"
|
Carbon Steel
|
Yellow Dichromate
|
50
|
348808
|
Log in to view price
|
|
9/16"
|
9/16"-18
|
7/8"
|
31/64"
|
Carbon Steel
|
Yellow Dichromate
|
25
|
348809
|
Log in to view price
|
|
5/8"
|
5/8"-18
|
15/16"
|
35/64"
|
Carbon Steel
|
Yellow Dichromate
|
25
|
348810
|
Log in to view price
|
|
3/4"
|
3/4"-16
|
1-1/8"
|
41/64"
|
Carbon Steel
|
Yellow Dichromate
|
25
|
348812
|
Log in to view price
|
|
7/8"
|
7/8"-14
|
1-5/16"
|
47/64"
|
Carbon Steel
|
Yellow Dichromate
|
10
|
348814
|
Log in to view price
|
|
1"
|
1"-14
|
1-1/2"
|
55/64"
|
Carbon Steel
|
Yellow Dichromate
|
10
|
348816
|
Log in to view price
|
Grade 8 Nylon Insert Flange Lock Nuts - Coarse Thread (USS)
Nylon insert flange lock nuts made from heat-treated carbon steel for Grade 8 performance. Yellow zinc plated finish with coarse USS threads and integral flange. Nylon insert provides prevailing torque to resist loosening and improve joint reliability in high-strength assemblies. Made in the U.S.A.
| Diameter | Thread Size | Width Across Flats | Height | Material | Finish | Package Qty | Item # |
Price
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Log In or Create Login Not a Kimball Midwest Customer? Register |
|---|---|---|---|---|---|---|---|---|
|
1/4"
|
1/4"-20
|
7/16"
|
0.3"
|
Carbon Steel
|
Yellow Zinc Plated
|
50
|
348604
|
Log in to view price
|
|
5/16"
|
5/16"-18
|
1/2"
|
0.365"
|
Carbon Steel
|
Yellow Zinc Plated
|
50
|
348605
|
Log in to view price
|
|
3/8"
|
3/8"-16
|
9/16"
|
0.425"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348606
|
Log in to view price
|
|
1/2"
|
1/2"-13
|
3/4"
|
0.555"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348608
|
Log in to view price
|
|
5/8"
|
5/8"-11
|
15/16"
|
0.69"
|
Carbon Steel
|
Yellow Zinc Plated
|
25
|
348610
|
Log in to view price
|
|
3/4"
|
3/4"-10
|
1-1/8"
|
0.825"
|
Carbon Steel
|
Yellow Zinc Plated
|
10
|
348612
|
Log in to view price
|
Top
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Pkg Qty: 50
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Pkg Qty: 25
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Pkg Qty: 25
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Pkg Qty: 25
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Pkg Qty: 10
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Pkg Qty: 50
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Pkg Qty: 25
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Pkg Qty: 10
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Pkg Qty: 50
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Pkg Qty: 25
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