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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 2

Zoro Select Nylon Insert Lock Nut, No. 8-32, Steel, Grade 2, Zinc Plated, 7/32 in Ht, 100 PK U12300.016.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, No. 8-32, Steel, Grade 2, Zinc Plated, 7/32 in Ht, 100 PK

Zoro # G2988431
Mfr # U12300.016.0001
product price:  $4.45
/pk 100, $0.04/ea
Zoro Select Self Threading Lock Nut, 1/4"-20, Nylon, Grade 6, Plain, 9/32 in Ht, 25 PK 0725020SLN
Zoro Select

Self Threading Lock Nut, 1/4"-20, Nylon, Grade 6, Plain, 9/32 in Ht, 25 PK

Zoro # G3125437
Mfr # 0725020SLN
product price:  $4.99
/pk 25, $0.20/ea
Zoro Select Nylon Insert Lock Nut, No. 10-32, 18-8 Stainless Steel, Not Graded, Plain, 1/4 in Ht, 50 PK U51411.019.0002
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, No. 10-32, 18-8 Stainless Steel, Not Graded, Plain, 1/4 in Ht, 50 PK

Zoro # G5332905
Mfr # U51411.019.0002
product price:  $4.15
/pk 50, $0.08/ea
Zoro Select Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 1/4 in Ht, 100 PK NLI20310NTE-100P
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 1/4 in Ht, 100 PK

Zoro # G1352504
Mfr # NLI20310NTE-100P
product price:  $5.39
/pk 100, $0.05/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 3/8"-24, Steel, Grade C, Zinc Plated, 13/32 in Ht, 50 PK U12950.037.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/8"-24, Steel, Grade C, Zinc Plated, 13/32 in Ht, 50 PK

Zoro # G5360424
Mfr # U12950.037.0002
product price:  $5.65
/pk 50, $0.11/ea
Midwest Fastener Lock Nut, 1/4"-20, 316 Stainless Steel, Not Graded, 20 PK 932244
Midwest Fastener

Lock Nut, 1/4"-20, 316 Stainless Steel, Not Graded, 20 PK

Zoro # G702526652
Mfr # 932244
product price:  $10.99
/pk 20, $0.55/ea
Midland Industries LOCKNUT HEX 1/8IN NPSL BRS 0.68IN 28123
Midland Industries

LOCKNUT HEX 1/8IN NPSL BRS 0.68IN

Zoro # G721701092
Mfr # 28123
product price:  $1.25
/ea
Zoro Select Serrated Lock Nut, 1/4"-20, Steel, Grade 8, Phosphate and Oil, 100 PK U12470.025.0001
Zoro Select

Serrated Lock Nut, 1/4"-20, Steel, Grade 8, Phosphate and Oil, 100 PK

Zoro # G2527625
Mfr # U12470.025.0001
product price:  $23.39
/pk 100, $0.23/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3468x1
X1 Tools

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

Zoro # G022857016
Mfr # X1E-FAS-NUT-LOC-3468x1
product price:  $19.49
/ea
Zoro Select Serrated Lock Nut, 5/8"-11, Steel, Grade A, Zinc Plated, 13/32 in Ht, 25 PK 3HDX6
Zoro Select

Serrated Lock Nut, 5/8"-11, Steel, Grade A, Zinc Plated, 13/32 in Ht, 25 PK

Zoro # G2050684
Mfr # 3HDX6
product price:  $12.35
/pk 25, $0.49/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M12-1.75, Steel, Class 10, Zinc Plated, 12 mm Ht, 50 PK M12910.120.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M12-1.75, Steel, Class 10, Zinc Plated, 12 mm Ht, 50 PK

Zoro # G1971691
Mfr # M12910.120.0001
product price:  $7.49
/pk 50, $0.15/ea
Boltsandnuts.Com Nylon Insert Lock Nut, 5/16"-18, Grade A, Zinc Plated, 150 PK 31CNNE2Z-150
Boltsandnuts.Com

Nylon Insert Lock Nut, 5/16"-18, Grade A, Zinc Plated, 150 PK

Zoro # G114446616
Mfr # 31CNNE2Z-150
product price:  $15.89
/pk 150, $0.11/ea
Zoro Select Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 11/32 in Ht, 100 PK U12300.031.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 11/32 in Ht, 100 PK

Zoro # G1768523
Mfr # U12300.031.0001
product price:  $4.99
/pk 100, $0.05/ea
Zoro Select Serrated Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 11/32 in Ht, 25 PK HFNIX037-025P
Zoro Select

Serrated Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 11/32 in Ht, 25 PK

Zoro # G0985354
Mfr # HFNIX037-025P
product price:  $11.79
/pk 25, $0.47/ea
Zoro Select Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 2, Zinc Plated, 13/32 in Ht, 25 PK NLFI20750NTE-025P
Zoro Select

Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 2, Zinc Plated, 13/32 in Ht, 25 PK

Zoro # G2477885
Mfr # NLFI20750NTE-025P
product price:  $13.59
/pk 25, $0.54/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3486x20
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G122856278
Mfr # X1E-FAS-NUT-LOC-3486x20
product price:  $40.15
/pk 20, $2.01/ea
Wiska Lock Nut, Nickel Plated Brass, Nickel 10100975
Wiska

Lock Nut, Nickel Plated Brass, Nickel

Zoro # G7895868
Mfr # 10100975
product price:  $1.75
/ea
Sold in mult. of 6 for $10.50
Reiku Lock Nut, 2", Nylon, 10 PK PAGMB-N09
Reiku

Lock Nut, 2", Nylon, 10 PK

Zoro # G4602762
Mfr # PAGMB-N09
product price:  $114.99
/pk 10, $11.50/ea
Boltsandnuts.Com Serrated Lock Nut, 3/8"-16, Grade 8, Zinc Yellow, 50 PK 37CSLN8Y-50
Boltsandnuts.Com

Serrated Lock Nut, 3/8"-16, Grade 8, Zinc Yellow, 50 PK

Zoro # G614501983
Mfr # 37CSLN8Y-50
product price:  $19.69
/pk 50, $0.39/ea
Zoro Select Top Lock Distorted Thread Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 50 PK U51960.019.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 50 PK

Zoro # G5512376
Mfr # U51960.019.0002
product price:  $25.15
/pk 50, $0.50/ea
Zoro Select External Tooth Lock Washer Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht KEPIX0-8-100P
Zoro Select

External Tooth Lock Washer Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht

Zoro # G1779784
Mfr # KEPIX0-8-100P
product price:  $9.99
/pk 100, $0.10/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 14 mm Ht, 10 PK 4CAL4
Zoro Select

Top Lock Distorted Thread Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 14 mm Ht, 10 PK

Zoro # G1382735
Mfr # 4CAL4
product price:  $5.69
/pk 10, $0.57/ea
Zoro Select Nylon Insert Lock Nut, #10-24, Steel, Grade 2, Zinc Plated, 15/64 in Ht, 100 PK U12300.019.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, #10-24, Steel, Grade 2, Zinc Plated, 15/64 in Ht, 100 PK

Zoro # G2711511
Mfr # U12300.019.0001
product price:  $3.65
/pk 100, $0.04/ea
Zoro Select Nylon Insert Lock Nut, M30-1.50, Steel, Class 5, Zinc Plated, 30 mm Ht, 5 PK M12320.300.0150
Zoro Select

Nylon Insert Lock Nut, M30-1.50, Steel, Class 5, Zinc Plated, 30 mm Ht, 5 PK

Zoro # G9700451
Mfr # M12320.300.0150
product price:  $29.19
/pk 5, $5.84/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1"-8, Steel, Grade C, Waxed Zinc Yellow, 7/8 in Ht, 10 PK 3XTP3
Zoro Select

Top Lock Distorted Thread Lock Nut, 1"-8, Steel, Grade C, Waxed Zinc Yellow, 7/8 in Ht, 10 PK

Zoro # G1374545
Mfr # 3XTP3
product price:  $19.45
/pk 10, $1.94/ea
Zoro Select Nylon Insert Lock Nut, M6-1.00, Steel, Class 5, Zinc Plated, 6 mm Ht, 100 PK M12300.060.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, M6-1.00, Steel, Class 5, Zinc Plated, 6 mm Ht, 100 PK

Zoro # G1698085
Mfr # M12300.060.0001
product price:  $2.89
/pk 100, $0.03/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/8"-18, Steel, Grade C, Yellow Zinc, 11/32 in Ht, 25 PK SLFI80621-025P
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/8"-18, Steel, Grade C, Yellow Zinc, 11/32 in Ht, 25 PK

Zoro # G0739532
Mfr # SLFI80621-025P
product price:  $16.69
/pk 25, $0.67/ea
Florida Tools SS Lock Nut Assortment Metric and Imperial Nuts 180 pcs FT928A
Florida Tools

SS Lock Nut Assortment Metric and Imperial Nuts 180 pcs

Zoro # G016288475
Mfr # FT928A
product price:  $32.49
/ea
Zoro Select External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 9/32 in Ht HFNIX031-025P
Zoro Select

External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 9/32 in Ht

Zoro # G0663896
Mfr # HFNIX031-025P
product price:  $7.19
/pk 25, $0.29/ea
Zoro Select Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 8, Zinc Plated, 9/64 in Ht, 100 PK 4CAP7
Zoro Select

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 8, Zinc Plated, 9/64 in Ht, 100 PK

Zoro # G1846512
Mfr # 4CAP7
product price:  $11.69
/pk 100, $0.12/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 13/32 in Ht, 50 PK U12100.037.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 13/32 in Ht, 50 PK

Zoro # G0319238
Mfr # U12100.037.0001
product price:  $7.19
/pk 50, $0.14/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
Boltsandnuts.Com Top Lock Lock Nut, M16-1.5, Class 10, Zinc Plated, 30 PK M16FPTN10Z-30
Boltsandnuts.Com

Top Lock Lock Nut, M16-1.5, Class 10, Zinc Plated, 30 PK

Zoro # G514494217
Mfr # M16FPTN10Z-30
product price:  $38.15
/pk 30, $1.27/ea
Boltsandnuts.Com Top Lock Lock Nut, 9/16"-18, Grade 8, Zinc Plated, 10 PK 56FPTNCZ-10
Boltsandnuts.Com

Top Lock Lock Nut, 9/16"-18, Grade 8, Zinc Plated, 10 PK

Zoro # G214483757
Mfr # 56FPTNCZ-10
product price:  $17.15
/pk 10, $1.71/ea
Zoro Select Center-Lock Distorted Thread Reversible Lock Nut, 3/8"-24, Steel, Grade A, Zinc Plated, 21/64 in Ht CLNFI20370-100P
Zoro Select

Center-Lock Distorted Thread Reversible Lock Nut, 3/8"-24, Steel, Grade A, Zinc Plated, 21/64 in Ht

Zoro # G3077094
Mfr # CLNFI20370-100P
product price:  $10.55
/pk 100, $0.11/ea
Skf 18 Threads per Inch, 2-17/32 in. Outside Diameter N 09
Skf

18 Threads per Inch, 2-17/32 in. Outside Diameter

Zoro # G712509829
Mfr # N 09
product price:  $10.29
/ea
Lock Nuts (10,000+ items) - Page 2
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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
5/16-24 nuts2 inch locknutlock nut 5/16-18flanged locknutn-10 lock nut
1/4" locking nutnylon insert hex nutnylon-insert locknuts3/8-16 nuts stainless steel10mm nuts

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