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  7. Lock Nuts

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

Zoro Select Nylon Insert Lock Nut, 5/16"-18, Brass, Not Graded, Plain, 1/4 in Ht, 25 PK 4FHX2
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, Brass, Not Graded, Plain, 1/4 in Ht, 25 PK

Zoro # G3273261
Mfr # 4FHX2
product price:  $9.49
/pk 25, $0.38/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1/4"-28, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK U12960.025.0002
Zoro Select

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

Zoro # G2640601
Mfr # U12960.025.0002
product price:  $11.45
/pk 100, $0.11/ea
Foreverbolt Nylon Insert Lock Nut, M4-0.70, 316 Stainless Steel, Not Graded, NL-19, 5 mm Ht, 100 PK FB3LNM4P100
Foreverbolt

Nylon Insert Lock Nut, M4-0.70, 316 Stainless Steel, Not Graded, NL-19, 5 mm Ht, 100 PK

Zoro # G9179591
Mfr # FB3LNM4P100
product price:  $45.29
/pk 100, $0.45/ea
Zoro Select Center-Lock Distorted Thread Reversible Lock Nut, 3/4"-10, Steel, Grade A, Zinc Plated, 41/64 in Ht CLNI20750-025P
Zoro Select

Center-Lock Distorted Thread Reversible Lock Nut, 3/4"-10, Steel, Grade A, Zinc Plated, 41/64 in Ht

Zoro # G0360735
Mfr # CLNI20750-025P
product price:  $12.85
/pk 25, $0.51/ea
Zoro Select Nylon Insert Lock Nut, 1"-14, Steel, Grade 8, Black Oxide, 1-3/64 in Ht, 5 PK U12421.101.0002
Zoro Select

Nylon Insert Lock Nut, 1"-14, Steel, Grade 8, Black Oxide, 1-3/64 in Ht, 5 PK

Zoro # G4343717
Mfr # U12421.101.0002
product price:  $15.15
/pk 5, $3.03/ea
Foreverbolt Serrated Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, NL-19, 9/32 in Ht, 25 PK FB3FHN51618P25
Foreverbolt

Serrated Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, NL-19, 9/32 in Ht, 25 PK

Zoro # G8480486
Mfr # FB3FHN51618P25
product price:  $25.99
/pk 25, $1.04/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:  $12.29
/pk 100, $0.12/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 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:  $9.89
/pk 25, $0.40/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
Wiska Lock Nut, M30, Nickel Plated Brass, Nickel 10012814
Wiska

Lock Nut, M30, Nickel Plated Brass, Nickel

Zoro # G7897374
Mfr # 10012814
product price:  $3.99
/ea
Sold in mult. of 2 for $7.98
Disc-Lock 2-Piece Wedge Lock Nut, 5/8"-18, Steel, Grade 8, Zinc Plated, 50 PK NSF 207-01-565
Disc-Lock

2-Piece Wedge Lock Nut, 5/8"-18, Steel, Grade 8, Zinc Plated, 50 PK

Zoro # G9445834
Mfr # NSF 207-01-565
product price:  $70.99
/pk 50, $1.42/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 Top Lock Distorted Thread Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 15/64 in Ht, 2800 PK 4RXT9
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 15/64 in Ht, 2800 PK

Zoro # G8532754
Mfr # 4RXT9
product price:  $156.99
/pk 2800, $0.06/ea
Zoro Select Nylon Insert Lock Nut, 1-1/2"-12, Steel, Grade 2, Zinc Plated, 9/16 in Ht, 60 PK 4RXU4
Zoro Select

Nylon Insert Lock Nut, 1-1/2"-12, Steel, Grade 2, Zinc Plated, 9/16 in Ht, 60 PK

Zoro # G7140734
Mfr # 4RXU4
product price:  $266.99
/pk 60, $4.45/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 7/8"-9, Steel, Grade 8, Waxed Zinc Yellow, 49/64 in Ht, 300 PK 4VPL3
Zoro Select

Top Lock Distorted Thread Lock Nut, 7/8"-9, Steel, Grade 8, Waxed Zinc Yellow, 49/64 in Ht, 300 PK

Zoro # G7061932
Mfr # 4VPL3
product price:  $312.99
/pk 300, $1.04/ea
Heico-Lock 2-Piece Wedge Lock Nut, M22-2.5, Steel, Class 10, Zinc-Coated, 18 1/20 mm Ht, 10 PK HLM-22
Heico-Lock

2-Piece Wedge Lock Nut, M22-2.5, Steel, Class 10, Zinc-Coated, 18 1/20 mm Ht, 10 PK

Zoro # G611471470
Mfr # HLM-22
product price:  $116.99
/pk 10, $11.70/ea
Zoro Select Conical Washer Lock Nut, 1/4"-20, Steel, Not Graded, Zinc Plated, 13/64 in Ht, 100 PK HNCWI00250-100BX
Zoro Select

Conical Washer Lock Nut, 1/4"-20, Steel, Not Graded, Zinc Plated, 13/64 in Ht, 100 PK

Zoro # G2114664
Mfr # HNCWI00250-100BX
product price:  $24.19
/pk 100, $0.24/ea
Midwest Fastener Nylon Insert Lock Nut, M6-1.00, Steel, Class 8, Zinc Plated, 50 PK 53664
CAD Files Available
Midwest Fastener

Nylon Insert Lock Nut, M6-1.00, Steel, Class 8, Zinc Plated, 50 PK

Zoro # G102526818
Mfr # 53664
product price:  $5.75
/pk 50, $0.12/ea
Sold in mult. of 2 for $11.50
Suburban Bolt And Supply Lock Nut, M3, Steel, Plain A44200300NE
Suburban Bolt And Supply

Lock Nut, M3, Steel, Plain

Zoro # G503504866
Mfr # A44200300NE
product price:  $0.07
/ea
Sold in mult. of 100 for $7.00
X1 Tools 1/4-28 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1712x6
X1 Tools

1/4-28 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK

Zoro # G222861639
Mfr # X1E-FAS-NUT-LOC-1712x6
product price:  $2.15
/pk 6, $0.36/ea
X1 Tools 10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3818x8
X1 Tools

10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G822849174
Mfr # X1E-FAS-NUT-LOC-3818x8
product price:  $5.99
/pk 8, $0.75/ea
Midwest Fastener Nylon Insert Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 4 PK 76088
Midwest Fastener

Nylon Insert Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 4 PK

Zoro # G202526770
Mfr # 76088
product price:  $4.69
/pk 4, $1.17/ea
Sold in mult. of 2 for $9.38
Midwest Fastener Nylon Insert Lock Nut, 1/4"-20, Steel, Chrome Plated, 10 PK 74302
Midwest Fastener

Nylon Insert Lock Nut, 1/4"-20, Steel, Chrome Plated, 10 PK

Zoro # G602526677
Mfr # 74302
product price:  $16.65
/pk 10, $1.66/ea
Elesa Lock Nut, M16-1.50, Polyamide, 10 mm Ht NTT
Elesa

Lock Nut, M16-1.50, Polyamide, 10 mm Ht

Zoro # G2334986
Mfr # NTT
product price:  $1.99
/ea
Sold in mult. of 5 for $9.95
Kipp Lock Nut, M20, Steel, Class 10, Bright, 5 mm Ht K0701.20
Kipp

Lock Nut, M20, Steel, Class 10, Bright, 5 mm Ht

Zoro # G702051871
Mfr # K0701.20
product price:  $6.39
/ea
Sold in mult. of 2 for $12.78
X1 Tools 1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3028x1
X1 Tools

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

Zoro # G522856564
Mfr # X1E-FAS-NUT-LOC-3028x1
product price:  $3.95
/ea
Kipp Lock Nut, M8, Steel, Class 10, Bright, 24 mm Ht K0701.08
Kipp

Lock Nut, M8, Steel, Class 10, Bright, 24 mm Ht

Zoro # G602051780
Mfr # K0701.08
product price:  $1.89
/ea
Sold in mult. of 9 for $17.01
Midwest Fastener Lock Nut, 3/4"-16, Steel, Zinc Plated, 5 PK 60698
Midwest Fastener

Lock Nut, 3/4"-16, Steel, Zinc Plated, 5 PK

Zoro # G202527968
Mfr # 60698
product price:  $11.49
/pk 5, $2.30/ea
Sold in mult. of 2 for $22.98
Midwest Fastener External Tooth Lock Washer Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 100 PK 03820
Midwest Fastener

External Tooth Lock Washer Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 100 PK

Zoro # G202526756
Mfr # 03820
product price:  $15.69
/pk 100, $0.16/ea
Midwest Fastener Serrated Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, 15 PK 33762
Midwest Fastener

Serrated Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, 15 PK

Zoro # G902526988
Mfr # 33762
product price:  $3.59
/pk 15, $0.24/ea
Sold in mult. of 3 for $10.77
Midwest Fastener Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 10 PK 53670
Midwest Fastener

Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 10 PK

Zoro # G002526826
Mfr # 53670
product price:  $9.45
/pk 10, $0.95/ea
Heritage Industrial Self Threading Lock Nut, Spring Steel, Zinc Plated, 0.217 in Ht EFLN-SD188008SOH
Heritage Industrial

Self Threading Lock Nut, Spring Steel, Zinc Plated, 0.217 in Ht

Zoro # G300400149
Mfr # EFLN-SD188008SOH
product price:  $0.07
/ea
Sold in mult. of 528 for $36.96
X1 Tools 6-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2218x1
X1 Tools

6-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G022845631
Mfr # X1E-FAS-NUT-LOC-2218x1
product price:  $0.77
/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1944x75
X1 Tools

1/2-13 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G522861162
Mfr # X1E-FAS-NUT-LOC-1944x75
product price:  $50.25
/pk 75, $0.67/ea
Huyett Lock Nut, M110, Steel, Plain KM-22
Huyett

Lock Nut, M110, Steel, Plain

Zoro # G200401147
Mfr # KM-22
product price:  $27.35
/ea
Lock Nuts (10,000+ items) - Page 10
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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 ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
1/4-20 stainless steel nut5/16-18 stainless steel boltnylon insert flange nutdistorted thread lock nut5/8-18 flange nut
flanged locknutlock nut 5/16-18nylon-insert locknutslock nut nylon insert3/8-16 nuts stainless steel

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