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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 151

Newport Fasteners Nylon Insert Lock Nut, #10-32, Steel, Zinc Plated, 100 PK NB305115P-100
Newport Fasteners

Nylon Insert Lock Nut, #10-32, Steel, Zinc Plated, 100 PK

Zoro # G006331570
Mfr # NB305115P-100
product price: 
$38.69
/pk 100, $0.39/ea
Newport Fasteners Nylon Insert Lock Nut, 5/16"-18, Steel, Zinc Plated, 600 PK 446589
Newport Fasteners

Nylon Insert Lock Nut, 5/16"-18, Steel, Zinc Plated, 600 PK

Zoro # G106329514
Mfr # 446589
product price: 
$301.99
/pk 600, $0.50/ea
X1 Tools 1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3040x400
X1 Tools

1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G022856750
Mfr # X1E-FAS-NUT-LOC-3040x400
product price: 
$11,669.99
/pk 400, $29.17/ea
X1 Tools 1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3210x500
X1 Tools

1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G422854950
Mfr # X1E-FAS-NUT-LOC-3210x500
product price: 
$497.99
/pk 500, $1.00/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3924x20
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G222845646
Mfr # X1E-FAS-NUT-LOC-3924x20
product price: 
$30.25
/pk 20, $1.51/ea
X1 Tools 3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1018x10
X1 Tools

3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 10PK

Zoro # G722844187
Mfr # X1E-FAS-NUT-LOC-1018x10
product price: 
$11.99
/pk 10, $1.20/ea
X1 Tools 5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3230x25
X1 Tools

5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G822862753
Mfr # X1E-FAS-NUT-LOC-3230x25
product price: 
$114.99
/pk 25, $4.60/ea
X1 Tools 5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3310x75
X1 Tools

5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G822854574
Mfr # X1E-FAS-NUT-LOC-3310x75
product price: 
$415.99
/pk 75, $5.55/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3744x75
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G322852339
Mfr # X1E-FAS-NUT-LOC-3744x75
product price: 
$515.99
/pk 75, $6.88/ea
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3716x10
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G422844920
Mfr # X1E-FAS-NUT-LOC-3716x10
product price: 
$3.29
/pk 10, $0.33/ea
Sold in mult. of 3 for $9.87
Zoro Select Lock Nut, 5/16"-24, Nylon, Black Oxide, 0.25 in Ht, 1000 PK 32NSB
Zoro Select

Lock Nut, 5/16"-24, Nylon, Black Oxide, 0.25 in Ht, 1000 PK

Zoro # G2450565
Mfr # 32NSB
product price: 
$107.99
/pk 1000, $0.11/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 10 PK 781053-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G106331852
Mfr # 781053-PR-10
product price: 
$460.99
/pk 10, $46.10/ea
Newport Fasteners Nylon Insert Lock Nut, #10-32, 316 Stainless Steel, Not Graded, 100 PK 518756-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #10-32, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G606329830
Mfr # 518756-PR-100
product price: 
$58.59
/pk 100, $0.59/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 10 PK 120348-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G306327990
Mfr # 120348-PR-10
product price: 
$112.99
/pk 10, $11.30/ea
Newport Fasteners Nylon Insert Lock Nut, 7/16"-14, Steel, Grade A, Zinc Plated, 100 PK 890875-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 7/16"-14, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G506329893
Mfr # 890875-PR-100
product price: 
$56.45
/pk 100, $0.56/ea
Oxoxo 12-24 K Lock Hex Nut Black Oxide, 3000PK 336088
Oxoxo

12-24 K Lock Hex Nut Black Oxide, 3000PK

Zoro # G722679284
Mfr # 336088
product price: 
$338.99
/pk 3000, $0.11/ea
Oxoxo 3/8-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide, 1000PK 359430
Oxoxo

3/8-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide, 1000PK

Zoro # G822664623
Mfr # 359430
product price: 
$245.99
/pk 1000, $0.25/ea
Oxoxo 8-32X11/32X1/8 Double Serrated Hex Lock Nuts Case Hardened Zinc And Bake, 5000PK 635881
Oxoxo

8-32X11/32X1/8 Double Serrated Hex Lock Nuts Case Hardened Zinc And Bake, 5000PK

Zoro # G622687365
Mfr # 635881
product price: 
$168.99
/pk 5000, $0.03/ea
X1 Tools 1/4-28 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3428x10
X1 Tools

1/4-28 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G222857779
Mfr # X1E-FAS-NUT-LOC-3428x10
product price: 
$1.95
/pk 10, $0.20/ea
Sold in mult. of 5 for $9.75
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2016x12
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 12PK

Zoro # G222844892
Mfr # X1E-FAS-NUT-LOC-2016x12
product price: 
$51.89
/pk 12, $4.32/ea
X1 Tools 3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1958x120
X1 Tools

3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G322848196
Mfr # X1E-FAS-NUT-LOC-1958x120
product price: 
$195.99
/pk 120, $1.63/ea
X1 Tools 1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3028x6
X1 Tools

1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922865418
Mfr # X1E-FAS-NUT-LOC-3028x6
product price: 
$21.49
/pk 6, $3.58/ea
Oxoxo M4-0.70 Din 985 Metric Class 10 Nylon Insert Hex Locknut Zinc, 2000PK 627667
Oxoxo

M4-0.70 Din 985 Metric Class 10 Nylon Insert Hex Locknut Zinc, 2000PK

Zoro # G222681084
Mfr # 627667
product price: 
$132.99
/pk 2000, $0.07/ea
Oxoxo M10-1.5 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 500PK 558600
Oxoxo

M10-1.5 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 500PK

Zoro # G322700548
Mfr # 558600
product price: 
$129.99
/pk 500, $0.26/ea
Oxoxo 9/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake, 150PK 404652
Oxoxo

9/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake, 150PK

Zoro # G322662884
Mfr # 404652
product price: 
$315.99
/pk 150, $2.11/ea
Zoro Select Nylon Insert Lock Nut, 1"-8, Nylon, Zinc Plated, 0.825 in Ht, 50 PK 100NST
Zoro Select

Nylon Insert Lock Nut, 1"-8, Nylon, Zinc Plated, 0.825 in Ht, 50 PK

Zoro # G2451125
Mfr # 100NST
product price: 
$144.99
/pk 50, $2.90/ea
X1 Tools 7/8-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2142x400
X1 Tools

7/8-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G422867820
Mfr # X1E-FAS-NUT-LOC-2142x400
product price: 
$7,559.99
/pk 400, $18.90/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3486x150
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922857680
Mfr # X1E-FAS-NUT-LOC-3486x150
product price: 
$254.99
/pk 150, $1.70/ea
X1 Tools 5/16-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3214x4
X1 Tools

5/16-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G522858742
Mfr # X1E-FAS-NUT-LOC-3214x4
product price: 
$11.99
/pk 4, $3.00/ea
Sold in mult. of 2 for $23.98
X1 Tools 1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3238x50
X1 Tools

1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G322856696
Mfr # X1E-FAS-NUT-LOC-3238x50
product price: 
$1,683.99
/pk 50, $33.68/ea
X1 Tools 1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3212x50
X1 Tools

1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G722860637
Mfr # X1E-FAS-NUT-LOC-3212x50
product price: 
$116.99
/pk 50, $2.34/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3610x1
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G422845200
Mfr # X1E-FAS-NUT-LOC-3610x1
product price: 
$5.15
/ea
Sold in mult. of 2 for $10.30
X1 Tools 1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3444x75
X1 Tools

1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G022859027
Mfr # X1E-FAS-NUT-LOC-3444x75
product price: 
$34.99
/pk 75, $0.47/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3468x20
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G822864351
Mfr # X1E-FAS-NUT-LOC-3468x20
product price: 
$274.99
/pk 20, $13.75/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1994x1000
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G322864516
Mfr # X1E-FAS-NUT-LOC-1994x1000
product price: 
$8,062.99
/pk 1000, $8.06/ea
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3494x25
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G022861396
Mfr # X1E-FAS-NUT-LOC-3494x25
product price: 
$390.99
/pk 25, $15.64/ea
Lock Nuts (10,000+ items) - Page 151
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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 NutsCoupling NutsFlange NutsWing 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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