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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 5

Zoro Select Nylon Insert Lock Nut, M10-1.25, Steel, Class 5, Zinc Plated, 10 mm Ht, 100 PK M12320.100.0125
Zoro Select

Nylon Insert Lock Nut, M10-1.25, Steel, Class 5, Zinc Plated, 10 mm Ht, 100 PK

Zoro # G6210601
Mfr # M12320.100.0125
product price: 
$25.45
/pk 100, $0.25/ea
Huyett Nylon Insert Lock Nut, 3/8", Nylon, Zinc Clear Trivalent LNUT-0375C-ZN
Huyett

Nylon Insert Lock Nut, 3/8", Nylon, Zinc Clear Trivalent

Zoro # G500417749
Mfr # LNUT-0375C-ZN
product price: 
$0.17
/ea
Sold in mult. of 200 for $34.00
X1 Tools 3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3018x400
X1 Tools

3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G122848822
Mfr # X1E-FAS-NUT-LOC-3018x400
product price: 
$161.99
/pk 400, $0.40/ea
Zoro Select Serrated Lock Nut, #10-24, 316 Stainless Steel, Not Graded, Plain, 10 PK U55108.019.0001
Zoro Select

Serrated Lock Nut, #10-24, 316 Stainless Steel, Not Graded, Plain, 10 PK

Zoro # G2527528
Mfr # U55108.019.0001
product price: 
$3.89
/pk 10, $0.39/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/16"-24, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK SLFI80311-100P
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/16"-24, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK

Zoro # G1235735
Mfr # SLFI80311-100P
product price: 
$12.69
/pk 100, $0.13/ea
Zoro Select Center-Lock Distorted Thread Reversible Lock Nut, 1/2"-20, Steel, Grade A, Zinc Plated, 7/16 in Ht CLNFI20500-050P
Zoro Select

Center-Lock Distorted Thread Reversible Lock Nut, 1/2"-20, Steel, Grade A, Zinc Plated, 7/16 in Ht

Zoro # G0829866
Mfr # CLNFI20500-050P
product price: 
$11.15
/pk 50, $0.22/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 9/16"-12, Steel, Grade C, Yellow Zinc, 9/32 in Ht, 25 PK SLI80561-025P
Zoro Select

Top Lock Distorted Thread Lock Nut, 9/16"-12, Steel, Grade C, Yellow Zinc, 9/32 in Ht, 25 PK

Zoro # G0842152
Mfr # SLI80561-025P
product price: 
$10.19
/pk 25, $0.41/ea
Cantex Lock Nut, 3/4", 5 PK 6204001
Cantex

Lock Nut, 3/4", 5 PK

Zoro # G805993719
Mfr # 6204001
product price: 
$2.55
/pk 5, $0.51/ea
Sold in mult. of 10 for $25.50
Kipp Lock Nut, M10, Steel, Class 10, Bright, 26 mm Ht K0701.10
Kipp

Lock Nut, M10, Steel, Class 10, Bright, 26 mm Ht

Zoro # G302051844
Mfr # K0701.10
product price: 
$1.69
/ea
Sold in mult. of 6 for $10.14
Midwest Fastener Nylon Insert Lock Nut, 3/8"-24, 18-8 Stainless Steel, Not Graded, 12 PK 68491
Midwest Fastener

Nylon Insert Lock Nut, 3/8"-24, 18-8 Stainless Steel, Not Graded, 12 PK

Zoro # G502526920
Mfr # 68491
product price: 
$11.99
/pk 12, $1.00/ea
Skf Lock Nut KM 18
Skf

Lock Nut

Zoro # G009843704
Mfr # KM 18
product price: 
$139.99
/ea
X1 Tools 1/4-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2125x100
X1 Tools

1/4-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G022865677
Mfr # X1E-FAS-NUT-LOC-2125x100
product price: 
$33.19
/pk 100, $0.33/ea
X1 Tools 10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2226x50
X1 Tools

10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G822861183
Mfr # X1E-FAS-NUT-LOC-2226x50
product price: 
$21.15
/pk 50, $0.42/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1628x12
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G922864077
Mfr # X1E-FAS-NUT-LOC-1628x12
product price: 
$75.55
/pk 12, $6.30/ea
X1 Tools 5/16-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1016x50
X1 Tools

5/16-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 50PK

Zoro # G622844249
Mfr # X1E-FAS-NUT-LOC-1016x50
product price: 
$38.15
/pk 50, $0.76/ea
Boltsandnuts.Com Nylon Insert Lock Nut, 1/4"-20, 316 Stainless Steel, Plain, 200 PK 25CNNESS/316-200
Boltsandnuts.Com

Nylon Insert Lock Nut, 1/4"-20, 316 Stainless Steel, Plain, 200 PK

Zoro # G314448984
Mfr # 25CNNESS/316-200
product price: 
$57.59
/pk 200, $0.29/ea
Huyett Lock Nut, 3.34, Steel, Plain AN-17
Huyett

Lock Nut, 3.34, Steel, Plain

Zoro # G600401150
Mfr # AN-17
product price: 
$17.99
/ea
Sold in mult. of 2 for $35.98
Midwest Fastener Lock Nut, M16-2.00, Stainless Steel, 10 PK 55134
Midwest Fastener

Lock Nut, M16-2.00, Stainless Steel, 10 PK

Zoro # G102526603
Mfr # 55134
product price: 
$15.95
/pk 10, $1.60/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1986x20
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G622863929
Mfr # X1E-FAS-NUT-LOC-1986x20
product price: 
$34.95
/pk 20, $1.75/ea
X1 Tools 10-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2122x1
X1 Tools

10-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G022861358
Mfr # X1E-FAS-NUT-LOC-2122x1
product price: 
$0.70
/ea
Sold in mult. of 13 for $9.10
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1974x120
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G322850885
Mfr # X1E-FAS-NUT-LOC-1974x120
product price: 
$22.85
/pk 120, $0.19/ea
X1 Tools 3/4-10 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1038x6
X1 Tools

3/4-10 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 6PK

Zoro # G122849225
Mfr # X1E-FAS-NUT-LOC-1038x6
product price: 
$29.75
/pk 6, $4.96/ea
X1 Tools 10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2226x150
X1 Tools

10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G022846072
Mfr # X1E-FAS-NUT-LOC-2226x150
product price: 
$53.19
/pk 150, $0.35/ea
J.W. Winco Slotted Spanner Lock Nut, M60-1.50, Steel, Class 5, Blackened 1804-M60X1.5-W
J.W. Winco

Slotted Spanner Lock Nut, M60-1.50, Steel, Class 5, Blackened

Zoro # G4724915
Mfr # 1804-M60X1.5-W
product price: 
$21.15
/ea
First Fitting & Fastener 1/2 BRASS LOCKNUT PIPE FITTING 28126MID
First Fitting & Fastener

1/2 BRASS LOCKNUT PIPE FITTING

Zoro # G216551492
Mfr # 28126MID
product price: 
$2.85
/ea
Sold in mult. of 3 for $8.55
Auveco 8-32 Hex Keps Lock Washer And Nut Zinc, 100PK 3493
Auveco

8-32 Hex Keps Lock Washer And Nut Zinc, 100PK

Zoro # G124163596
Mfr # 3493
product price: 
$8.45
/pk 100, $0.08/ea
Sold in mult. of 2 for $16.90
Whittet-Higgins 18 Threads per Inch, 3-3/8 in. Outside Diameter, 5/8 in. Nominal Thickness, 2.548-18 Thread Size BH-13
Whittet-Higgins

18 Threads per Inch, 3-3/8 in. Outside Diameter, 5/8 in. Nominal Thickness, 2.548-18 Thread Size

Zoro # G512509814
Mfr # BH-13
product price: 
$36.89
/ea
Midwest Fastener Stover Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 5 PK 72966
Midwest Fastener

Stover Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 5 PK

Zoro # G302526809
Mfr # 72966
product price: 
$13.45
/pk 5, $2.69/ea
Flexloc Flexible Top Lock Nut, 5/16"-18, Steel, Grade 2, Cadmium Plated, 5/32 in Ht, 100 PK 21FAF-518
Flexloc

Flexible Top Lock Nut, 5/16"-18, Steel, Grade 2, Cadmium Plated, 5/32 in Ht, 100 PK

Zoro # G2478756
Mfr # 21FAF-518
product price: 
$103.99
/pk 100, $1.04/ea
Thrifco Plumbing 1-1/4 Inch Gal Locknut Spud 4401849
Thrifco Plumbing

1-1/4 Inch Gal Locknut Spud

Zoro # G210330505
Mfr # 4401849
product price: 
$4.39
/ea
Sold in mult. of 2 for $8.78
Zoro Select Top Lock Distorted Thread Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 50 PK 4CAL1
Zoro Select

Top Lock Distorted Thread Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 50 PK

Zoro # G2349891
Mfr # 4CAL1
product price: 
$6.15
/pk 50, $0.12/ea
Huyett Lock Nut, M12, Nylon LNUTM-012
Huyett

Lock Nut, M12, Nylon

Zoro # G200417698
Mfr # LNUTM-012
product price: 
$1.15
/ea
Sold in mult. of 19 for $21.85
Hillman Lock Nut, 5/16 inch, Steel, Zinc Plated 5136957
Hillman

Lock Nut, 5/16 inch, Steel, Zinc Plated

Zoro # G509136467
Mfr # 5136957
product price: 
$57.19
/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3484x75
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G822847934
Mfr # X1E-FAS-NUT-LOC-3484x75
product price: 
$183.99
/pk 75, $2.45/ea
Huyett Lock Nut, Steel, Plain N-02
Huyett

Lock Nut, Steel, Plain

Zoro # G300401139
Mfr # N-02
product price: 
$2.55
/ea
Sold in mult. of 11 for $28.05
Boltsandnuts.Com Top Lock Lock Nut, 5/8"-11, Grade 8, Phosphate and Oil, 20 PK 62CNHFGP-20
Boltsandnuts.Com

Top Lock Lock Nut, 5/8"-11, Grade 8, Phosphate and Oil, 20 PK

Zoro # G014489027
Mfr # 62CNHFGP-20
product price: 
$37.45
/pk 20, $1.87/ea
Lock Nuts (10,000+ items) - Page 5
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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 ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
3/8-16 ss nuts1/2" flange lock nut2 inch locknutnylon insert hex nut5/16-18 nylon locking nut
1/4 npt locknuts4" lock nuts1" lock nuts1/4" locking nut3/4 lock nuts

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