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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 14

Foreverbolt Serrated Lock Nut, M10-1.50, 316 Stainless Steel, Not Graded, NL-19, 10 mm Ht, 10 PK FB3FHNM10P10
Foreverbolt

Serrated Lock Nut, M10-1.50, 316 Stainless Steel, Not Graded, NL-19, 10 mm Ht, 10 PK

Zoro # G8480440
Mfr # FB3FHNM10P10
product price:  $33.65
/pk 10, $3.36/ea
Foreverbolt Nylon Insert Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, NL-19, 15/64 in Ht, 50 PK FBLN1032P50
Foreverbolt

Nylon Insert Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, NL-19, 15/64 in Ht, 50 PK

Zoro # G8096159
Mfr # FBLN1032P50
product price:  $23.99
/pk 50, $0.48/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M12-1.50, Steel, Class 8, Zinc Plated, 12 mm Ht, 100 PK M12912.120.0150
Zoro Select

Top Lock Distorted Thread Lock Nut, M12-1.50, Steel, Class 8, Zinc Plated, 12 mm Ht, 100 PK

Zoro # G0302331
Mfr # M12912.120.0150
product price:  $48.75
/pk 100, $0.49/ea
Zoro Select Nylon Insert Lock Nut, 1-3/4"-12, Steel, Grade 2, Black Oxide, 1 53/64 in Ht 4FHZ4
Zoro Select

Nylon Insert Lock Nut, 1-3/4"-12, Steel, Grade 2, Black Oxide, 1 53/64 in Ht

Zoro # G1391853
Mfr # 4FHZ4
product price:  $21.85
/ea
Zoro Select Nylon Insert Lock Nut, #10-32, Steel, Grade A, Zinc Plated, 1/8 in Ht, 100 PK 4CAN9
Zoro Select

Nylon Insert Lock Nut, #10-32, Steel, Grade A, Zinc Plated, 1/8 in Ht, 100 PK

Zoro # G1790083
Mfr # 4CAN9
product price:  $10.45
/pk 100, $0.10/ea
Zoro Select Nylon Insert Lock Nut, 7/16"-14, Steel, Grade 2, Zinc Plated, 3/4 in Ht, 25 PK U12300.043.0001
Zoro Select

Nylon Insert Lock Nut, 7/16"-14, Steel, Grade 2, Zinc Plated, 3/4 in Ht, 25 PK

Zoro # G5332616
Mfr # U12300.043.0001
product price:  $2.19
/pk 25, $0.09/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 20 mm Ht, 10 PK 4CAL6
Zoro Select

Top Lock Distorted Thread Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 20 mm Ht, 10 PK

Zoro # G3014006
Mfr # 4CAL6
product price:  $11.95
/pk 10, $1.19/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1"-8, Steel, Grade C, Yellow Zinc, 1/2 in Ht, 5 PK U12920.100.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 1"-8, Steel, Grade C, Yellow Zinc, 1/2 in Ht, 5 PK

Zoro # G9700476
Mfr # U12920.100.0001
product price:  $10.99
/pk 5, $2.20/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1/4"-28, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK SLFI80251-100P
Zoro Select

Top Lock Distorted Thread Lock Nut, 1/4"-28, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK

Zoro # G1205687
Mfr # SLFI80251-100P
product price:  $6.19
/pk 100, $0.06/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M6-1.00, Steel, Class 8, Zinc Plated, 6 mm Ht, 100 PK M12858.060.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M6-1.00, Steel, Class 8, Zinc Plated, 6 mm Ht, 100 PK

Zoro # G0102621
Mfr # M12858.060.0001
product price:  $6.55
/pk 100, $0.07/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1/4"-20, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK U12920.025.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 1/4"-20, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK

Zoro # G0633281
Mfr # U12920.025.0001
product price:  $48.79
/pk 100, $0.49/ea
Zoro Select Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade 2, Zinc Plated, 1 9/32 in Ht, 5 PK U12300.112.0001
Zoro Select

Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade 2, Zinc Plated, 1 9/32 in Ht, 5 PK

Zoro # G2282491
Mfr # U12300.112.0001
product price:  $8.89
/pk 5, $1.78/ea
Zoro Select Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade 2, Zinc Plated, 5 PK U12300.150.0001
Zoro Select

Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade 2, Zinc Plated, 5 PK

Zoro # G5527837
Mfr # U12300.150.0001
product price:  $36.79
/pk 5, $7.36/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 7/16"-20, Steel, Grade C, Yellow Zinc, 15/64 in Ht, 50 PK SLFI80431-050P
Zoro Select

Top Lock Distorted Thread Lock Nut, 7/16"-20, Steel, Grade C, Yellow Zinc, 15/64 in Ht, 50 PK

Zoro # G2847844
Mfr # SLFI80431-050P
product price:  $12.29
/pk 50, $0.25/ea
Flexloc Flexible Top Lock Nut, 5/8"-11, Steel, Grade 2, Black Oxide, 13/32 in Ht, 20 PK 30FAF-1011
Flexloc

Flexible Top Lock Nut, 5/8"-11, Steel, Grade 2, Black Oxide, 13/32 in Ht, 20 PK

Zoro # G2478607
Mfr # 30FAF-1011
product price:  $121.99
/pk 20, $6.10/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2134x1
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G922853415
Mfr # X1E-FAS-NUT-LOC-2134x1
product price:  $2.85
/ea
Sold in mult. of 4 for $11.40
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1212x8
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK

Zoro # G222854754
Mfr # X1E-FAS-NUT-LOC-1212x8
product price:  $5.29
/pk 8, $0.66/ea
Sold in mult. of 2 for $10.58
X1 Tools 1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3828x20
X1 Tools

1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G522854287
Mfr # X1E-FAS-NUT-LOC-3828x20
product price:  $60.55
/pk 20, $3.03/ea
Suburban Bolt And Supply Nylon Insert Lock Nut, M10-1.50, Nylon, Class 8, Zinc Plated A44201000NE
Suburban Bolt And Supply

Nylon Insert Lock Nut, M10-1.50, Nylon, Class 8, Zinc Plated

Zoro # G903463381
Mfr # A44201000NE
product price:  $0.40
/ea
Sold in mult. of 100 for $40.00
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1986x400
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G722861436
Mfr # X1E-FAS-NUT-LOC-1986x400
product price:  $813.99
/pk 400, $2.03/ea
X1 Tools 3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1220x4
X1 Tools

3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK

Zoro # G722851727
Mfr # X1E-FAS-NUT-LOC-1220x4
product price:  $4.49
/pk 4, $1.12/ea
Sold in mult. of 2 for $8.98
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3614x15
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G022857276
Mfr # X1E-FAS-NUT-LOC-3614x15
product price:  $60.25
/pk 15, $4.02/ea
Midwest Fastener Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, 12 PK 37462
Midwest Fastener

Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, 12 PK

Zoro # G002526932
Mfr # 37462
product price:  $13.39
/pk 12, $1.12/ea
X1 Tools 3/4-10 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1956x250
X1 Tools

3/4-10 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G922859301
Mfr # X1E-FAS-NUT-LOC-1956x250
product price:  $441.99
/pk 250, $1.77/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3484x400
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G222847954
Mfr # X1E-FAS-NUT-LOC-3484x400
product price:  $924.99
/pk 400, $2.31/ea
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3612x50
X1 Tools

8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G822852952
Mfr # X1E-FAS-NUT-LOC-3612x50
product price:  $179.99
/pk 50, $3.60/ea
Zoro Select Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade 2, Zinc Plated, 31/32 in Ht, 5 PK U12705.112.0001
Zoro Select

Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade 2, Zinc Plated, 31/32 in Ht, 5 PK

Zoro # G2683387
Mfr # U12705.112.0001
product price:  $36.19
/pk 5, $7.24/ea
Newport Fasteners Nylon Insert Lock Nut, 3/4"-16, Steel, Grade A, Zinc Plated, 400 PK 269326-BR-400
Newport Fasteners

Nylon Insert Lock Nut, 3/4"-16, Steel, Grade A, Zinc Plated, 400 PK

Zoro # G906327611
Mfr # 269326-BR-400
product price:  $477.99
/pk 400, $1.19/ea
X1 Tools 5/16-18 Lightweight 6061 Aluminum Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2618x1000
X1 Tools

5/16-18 Lightweight 6061 Aluminum Nylon-Insert Locknuts, 1000PK

Zoro # G922866767
Mfr # X1E-FAS-NUT-LOC-2618x1000
product price:  $611.99
/pk 1000, $0.61/ea
X1 Tools 1 1/8-7 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1052x1
X1 Tools

1 1/8-7 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts

Zoro # G822844278
Mfr # X1E-FAS-NUT-LOC-1052x1
product price:  $27.19
/ea
Wiska Lock Nut, M8-1.25, Nickel Plated Brass, Nickel 10106828
Wiska

Lock Nut, M8-1.25, Nickel Plated Brass, Nickel

Zoro # G7902597
Mfr # 10106828
product price:  $0.46
/ea
Sold in mult. of 17 for $7.82
X1 Tools 3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1018x120
X1 Tools

3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK

Zoro # G922844215
Mfr # X1E-FAS-NUT-LOC-1018x120
product price:  $91.39
/pk 120, $0.76/ea
X1 Tools 1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3930x250
X1 Tools

1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G522862596
Mfr # X1E-FAS-NUT-LOC-3930x250
product price:  $627.99
/pk 250, $2.51/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2147x2
X1 Tools

1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G022853346
Mfr # X1E-FAS-NUT-LOC-2147x2
product price:  $71.85
/pk 2, $35.93/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3490x2
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G622863998
Mfr # X1E-FAS-NUT-LOC-3490x2
product price:  $13.95
/pk 2, $6.98/ea
Huyett Nylon Insert Lock Nut, M18 x 2.50, Steel, Class 8, Zinc Clear Trivalent, 18.1 mm Ht NUTH44-M180-01818S3
Huyett

Nylon Insert Lock Nut, M18 x 2.50, Steel, Class 8, Zinc Clear Trivalent, 18.1 mm Ht

Zoro # G013331006
Mfr # NUTH44-M180-01818S3
product price:  $0.70
/ea
Sold in mult. of 25 for $17.50
Lock Nuts (10,000+ items) - Page 14
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About Lock Nuts

Lock Nuts are a type of fastener that is designed to prevent a nut from coming loose when it is secured with a bolt. They are usually threaded and tightened onto the bolt to create a secure connection, which helps keep the nuts from vibrating off. Lock Nuts come in many different varieties and can be used in any number of applications.

Types of Lock Nuts

The most common types of lock nuts are nylock flange nuts, stainless steel lock nuts, and steel lock nuts. Depending on the application they will be used for, they can vary in size, shape, threading type, material composition or even locking mechanism.

How Lock Nuts are Made

Lock Nuts are typically made using either metal or plastic components and have threads cut into them so that they can be screwed onto bolts. They also often include an additional locking element such as an O-ring or nylon insert to help prevent loosening due to vibration or shock.

Industries that use Lock Nuts

Lock Nuts are commonly used in industries such as automotive repair, manufacturing, construction and plumbing. Professionals who work in these fields rely on these fasteners to securely hold parts together during assembly processes and repairs.

Find the Lock Nuts You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of fasteners, along with other tools or supplies to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Hex NutsFlange NutsCoupling NutsCap Nuts & Acorn NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
1/2" flange lock nut3/8-16 nuts stainless steellock nut 5/16-181/4" locking nutnylon insert hex nut
5/16-24 nutsnylon-insert locknutsn-10 lock nut5/16-18 nylon locking nut10mm nuts

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