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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 17

X1 Tools 7/8-14 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1444x20
X1 Tools

7/8-14 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 20PK

Zoro # G122847108
Mfr # X1E-FAS-NUT-LOC-1444x20
product price:  $251.99
/pk 20, $12.60/ea
X1 Tools 5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3310x120
X1 Tools

5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G422867028
Mfr # X1E-FAS-NUT-LOC-3310x120
product price:  $652.99
/pk 120, $5.44/ea
Newport Fasteners Nylon Insert Lock Nut, #8-32, Steel, Grade A, Zinc Plated, 100 PK 768358-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #8-32, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G506329831
Mfr # 768358-PR-100
product price:  $30.69
/pk 100, $0.31/ea
X1 Tools 1-14 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1448x1
X1 Tools

1-14 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts

Zoro # G622862274
Mfr # X1E-FAS-NUT-LOC-1448x1
product price:  $11.75
/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1932x20
X1 Tools

5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G222854099
Mfr # X1E-FAS-NUT-LOC-1932x20
product price:  $4.19
/pk 20, $0.21/ea
Newport Fasteners Lock Nut, 1/2"-13, Steel, Grade C, Zinc Plated, 0.26 in Ht, 100 PK 745582-PR-100
Newport Fasteners

Lock Nut, 1/2"-13, Steel, Grade C, Zinc Plated, 0.26 in Ht, 100 PK

Zoro # G106329712
Mfr # 745582-PR-100
product price:  $71.25
/pk 100, $0.71/ea
Newport Fasteners Nylon Insert Lock Nut, 7/16"-14, 18-8 Stainless Steel, Not Graded, 100 PK 591432-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 7/16"-14, 18-8 Stainless Steel, Not Graded, 100 PK

Zoro # G806329517
Mfr # 591432-PR-100
product price:  $137.99
/pk 100, $1.38/ea
X1 Tools M12 x 1.25 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1646x12
X1 Tools

M12 x 1.25 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G522846398
Mfr # X1E-FAS-NUT-LOC-1646x12
product price:  $22.59
/pk 12, $1.88/ea
X1 Tools 1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3012x2
X1 Tools

1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G122859101
Mfr # X1E-FAS-NUT-LOC-3012x2
product price:  $4.55
/pk 2, $2.28/ea
Sold in mult. of 2 for $9.10
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3728x1
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G322850120
Mfr # X1E-FAS-NUT-LOC-3728x1
product price:  $1.15
/ea
X1 Tools 7/16-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1940x200
X1 Tools

7/16-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G522860837
Mfr # X1E-FAS-NUT-LOC-1940x200
product price:  $65.89
/pk 200, $0.33/ea
Isn Tool Web Soc 3-1/2 3/4D Lcknt 6Pt Dp Satin OTC1910
Isn Tool Web

Soc 3-1/2 3/4D Lcknt 6Pt Dp Satin

Zoro # G712170265
Mfr # OTC1910
product price:  $53.69
/ea
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3932x6
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G522867775
Mfr # X1E-FAS-NUT-LOC-3932x6
product price:  $21.79
/pk 6, $3.63/ea
X1 Tools M22 x 2.5 mm Hi-Performance Yellow Zinc Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1532x12
X1 Tools

M22 x 2.5 mm Hi-Performance Yellow Zinc Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G222845066
Mfr # X1E-FAS-NUT-LOC-1532x12
product price:  $91.29
/pk 12, $7.61/ea
No Product Image Available
Lindstrom

M6 985-8 ZINC CLR INSERT Electrlss, PK25

Zoro # G214897431
Mfr # NL5800605E-025P1
product price:  $47.59
/pk 25, $1.90/ea
Zoro Select Lock Nut, 1-1/4"-12, Steel, Grade C, Wax, 0.698 in Ht, 15 PK 126NO
Zoro Select

Lock Nut, 1-1/4"-12, Steel, Grade C, Wax, 0.698 in Ht, 15 PK

Zoro # G2447004
Mfr # 126NO
product price:  $130.99
/pk 15, $8.73/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2010x20
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 20PK

Zoro # G822849983
Mfr # X1E-FAS-NUT-LOC-2010x20
product price:  $77.15
/pk 20, $3.86/ea
Newport Fasteners Nylon Insert Lock Nut, #6-32, 18-8 Stainless Steel, Not Graded, 2000 PK 983353
Newport Fasteners

Nylon Insert Lock Nut, #6-32, 18-8 Stainless Steel, Not Graded, 2000 PK

Zoro # G906331656
Mfr # 983353
product price:  $610.99
/pk 2000, $0.31/ea
X1 Tools 1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1026x15
X1 Tools

1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 15PK

Zoro # G222844328
Mfr # X1E-FAS-NUT-LOC-1026x15
product price:  $28.19
/pk 15, $1.88/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3496x8
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G922850544
Mfr # X1E-FAS-NUT-LOC-3496x8
product price:  $123.99
/pk 8, $15.50/ea
X1 Tools 1-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3236x400
X1 Tools

1-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G022855159
Mfr # X1E-FAS-NUT-LOC-3236x400
product price:  $6,738.99
/pk 400, $16.85/ea
Newport Fasteners Center-Lock Distorted Thread Reversible Lock Nut, 5/16"-24, Steel, Zinc Plated, 100 PK 600165-PR-100
Newport Fasteners

Center-Lock Distorted Thread Reversible Lock Nut, 5/16"-24, Steel, Zinc Plated, 100 PK

Zoro # G506329565
Mfr # 600165-PR-100
product price:  $43.55
/pk 100, $0.44/ea
X1 Tools M3 x 0.5 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2374x100
X1 Tools

M3 x 0.5 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G422852543
Mfr # X1E-FAS-NUT-LOC-2374x100
product price:  $32.85
/pk 100, $0.33/ea
X1 Tools 1-8 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1446x500
X1 Tools

1-8 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 500PK

Zoro # G122853994
Mfr # X1E-FAS-NUT-LOC-1446x500
product price:  $2,838.99
/pk 500, $5.68/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3440x1
X1 Tools

7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G822850071
Mfr # X1E-FAS-NUT-LOC-3440x1
product price:  $0.75
/ea
X1 Tools 5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1623x120
X1 Tools

5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G222849323
Mfr # X1E-FAS-NUT-LOC-1623x120
product price:  $180.99
/pk 120, $1.51/ea
X1 Tools M8 x 1.25 mm Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2268x250
X1 Tools

M8 x 1.25 mm Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G922853897
Mfr # X1E-FAS-NUT-LOC-2268x250
product price:  $512.99
/pk 250, $2.05/ea
X1 Tools M12 x 1.25 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1126x50
X1 Tools

M12 x 1.25 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G922847759
Mfr # X1E-FAS-NUT-LOC-1126x50
product price:  $149.99
/pk 50, $3.00/ea
X1 Tools M2.5 x 0.45 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1634x8
X1 Tools

M2.5 x 0.45 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G322853466
Mfr # X1E-FAS-NUT-LOC-1634x8
product price:  $8.89
/pk 8, $1.11/ea
X1 Tools M24 x 3 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2398x10
X1 Tools

M24 x 3 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G422863723
Mfr # X1E-FAS-NUT-LOC-2398x10
product price:  $454.99
/pk 10, $45.50/ea
X1 Tools 0-80 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2110x200
X1 Tools

0-80 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G522858117
Mfr # X1E-FAS-NUT-LOC-2110x200
product price:  $542.99
/pk 200, $2.71/ea
X1 Tools 2-56 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2210x500
X1 Tools

2-56 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G522854942
Mfr # X1E-FAS-NUT-LOC-2210x500
product price:  $348.99
/pk 500, $0.70/ea
X1 Tools 1 1/4-7 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1454x1
X1 Tools

1 1/4-7 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts

Zoro # G122852584
Mfr # X1E-FAS-NUT-LOC-1454x1
product price:  $46.75
/ea
X1 Tools M14 x 1.5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1649x75
X1 Tools

M14 x 1.5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G522854874
Mfr # X1E-FAS-NUT-LOC-1649x75
product price:  $208.99
/pk 75, $2.79/ea
Auveco Reversible Lock Nut 3/8-24 Hex 9/16in - Zinc, 50PK 24126
Auveco

Reversible Lock Nut 3/8-24 Hex 9/16in - Zinc, 50PK

Zoro # G824169973
Mfr # 24126
product price:  $12.25
/pk 50, $0.25/ea
Newport Fasteners Lock Nut, 7/8"-14, Steel, Grade 9, Cadmium Yellow, 0.823 in Ht, 200 PK NB446068B-200
Newport Fasteners

Lock Nut, 7/8"-14, Steel, Grade 9, Cadmium Yellow, 0.823 in Ht, 200 PK

Zoro # G106331944
Mfr # NB446068B-200
product price:  $1,958.99
/pk 200, $9.79/ea
Lock Nuts (10,000+ items) - Page 17
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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 NutsWing NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
nylon-insert locknuts1/2" flange lock nut5/16-24 nuts10mm nuts5/16-18 nylon locking nut
2 inch locknutlock nut 5/16-181/4" locking nutnylon insert hex nut3/8-16 nuts stainless steel

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