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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 6

Zoro Select Nylon Insert Lock Nut, M42-4.50, Steel, Class 10, Black Oxide, 42 mm Ht 5GAZ6
Zoro Select

Nylon Insert Lock Nut, M42-4.50, Steel, Class 10, Black Oxide, 42 mm Ht

Zoro # G0676961
Mfr # 5GAZ6
product price: 
$14.29
/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
Flexloc Flexible Top Lock Nut, #2-56, 18-8 Stainless Steel, Not Graded, Plain, 3/64 in Ht, 25 PK 50FA-256
Flexloc

Flexible Top Lock Nut, #2-56, 18-8 Stainless Steel, Not Graded, Plain, 3/64 in Ht, 25 PK

Zoro # G2478360
Mfr # 50FA-256
product price: 
$70.65
/pk 25, $2.83/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, 1/2"-20, Steel, Grade C, Yellow Zinc, 37/64 in Ht, 25 PK U12960.050.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, 1/2"-20, Steel, Grade C, Yellow Zinc, 37/64 in Ht, 25 PK

Zoro # G9087005
Mfr # U12960.050.0002
product price: 
$6.15
/pk 25, $0.25/ea
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
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
Huyett Nylon Insert Lock Nut, 5/16-18, Stainless Steel, 18-8, Plain, 0.343 in Ht NUTH59-0312-0343188P
Huyett

Nylon Insert Lock Nut, 5/16-18, Stainless Steel, 18-8, Plain, 0.343 in Ht

Zoro # G613330782
Mfr # NUTH59-0312-0343188P
product price: 
$0.14
/ea
Sold in mult. of 134 for $18.76
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
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 Nylon Insert Lock Nut, M12 x 1.75, Steel, Class 8, Zinc Clear Trivalent, 11.8 mm Ht NUTH44-M120-01188S3
Huyett

Nylon Insert Lock Nut, M12 x 1.75, Steel, Class 8, Zinc Clear Trivalent, 11.8 mm Ht

Zoro # G513331230
Mfr # NUTH44-M120-01188S3
product price: 
$0.18
/ea
Sold in mult. of 92 for $16.56
Zoro Select Lock Nut, 5/8"-11, Steel, Case Hardened, Black Oxide, 0.4 in Ht, 150 PK 62NRB
Zoro Select

Lock Nut, 5/8"-11, Steel, Case Hardened, Black Oxide, 0.4 in Ht, 150 PK

Zoro # G2449104
Mfr # 62NRB
product price: 
$163.99
/pk 150, $1.09/ea
Midwest Fastener Nylon Insert Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 10 PK 51431
Midwest Fastener

Nylon Insert Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 10 PK

Zoro # G902526971
Mfr # 51431
product price: 
$26.85
/pk 10, $2.69/ea
Zoro Select Lock Nut, #10-32, Nylon, Zinc Plated, 0.14 in Ht, 4000 PK 11NST
Zoro Select

Lock Nut, #10-32, Nylon, Zinc Plated, 0.14 in Ht, 4000 PK

Zoro # G2451469
Mfr # 11NST
product price: 
$169.99
/pk 4000, $0.04/ea
Zoro Select Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 31/64 in Ht, 25 PK 4CAE7
Zoro Select

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 31/64 in Ht, 25 PK

Zoro # G0419221
Mfr # 4CAE7
product price: 
$5.49
/pk 25, $0.22/ea
Zoro Select Lock Nut, 1/2"-13, Steel, Case Hardened, Zinc Plated, 0.31 in Ht, 250 PK 50NRNS
Zoro Select

Lock Nut, 1/2"-13, Steel, Case Hardened, Zinc Plated, 0.31 in Ht, 250 PK

Zoro # G2449229
Mfr # 50NRNS
product price: 
$65.99
/pk 250, $0.26/ea
Foreverbolt Nylon Insert Lock Nut, M8-1.25, 18-8 Stainless Steel, Not Graded, NL-19, 8 mm Ht, 50 PK FBLNM8P50
CAD Files Available
Foreverbolt

Nylon Insert Lock Nut, M8-1.25, 18-8 Stainless Steel, Not Graded, NL-19, 8 mm Ht, 50 PK

Zoro # G8096046
Mfr # FBLNM8P50
product price: 
$30.15
/pk 50, $0.60/ea
Huyett Lock Nut, 1.563", Steel, Plain N-08
Huyett

Lock Nut, 1.563", Steel, Plain

Zoro # G300401146
Mfr # N-08
product price: 
$3.39
/ea
Sold in mult. of 8 for $27.12
Zoro Select Nylon Insert Lock Nut, 1/4"-28, Steel, Grade 2, Zinc Plated, 5/16 in Ht, 100 PK U12380.025.0002
Zoro Select

Nylon Insert Lock Nut, 1/4"-28, Steel, Grade 2, Zinc Plated, 5/16 in Ht, 100 PK

Zoro # G0467984
Mfr # U12380.025.0002
product price: 
$3.69
/pk 100, $0.04/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
Heritage Industrial Lock Nut, 5/8"-18, Spring Steel, Zinc Plated, .218 in Ht EFLNH-RF581800SOH
Heritage Industrial

Lock Nut, 5/8"-18, Spring Steel, Zinc Plated, .218 in Ht

Zoro # G400400186
Mfr # EFLNH-RF581800SOH
product price: 
$0.24
/ea
Sold in mult. of 250 for $60.00
Midwest Fastener Breakaway Lock Nut, 1/4"-20, Zinc, Zinc Plated, 10 PK 77782
Midwest Fastener

Breakaway Lock Nut, 1/4"-20, Zinc, Zinc Plated, 10 PK

Zoro # G402512528
Mfr # 77782
product price: 
$31.19
/pk 10, $3.12/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1/4"-28, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK SLFI80251-100P
Zoro Select

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

Zoro # G1205687
Mfr # SLFI80251-100P
product price: 
$6.49
/pk 100, $0.06/ea
Zoro Select Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade 2, Zinc Plated, 1 9/32 in Ht, 5 PK U12300.112.0001
Zoro Select

Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade 2, Zinc Plated, 1 9/32 in Ht, 5 PK

Zoro # G2282491
Mfr # U12300.112.0001
product price: 
$9.29
/pk 5, $1.86/ea
Midwest Fastener Standard Hex Top Lock Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 100 PK 09731
Midwest Fastener

Standard Hex Top Lock Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 100 PK

Zoro # G502526609
Mfr # 09731
product price: 
$13.95
/pk 100, $0.14/ea
Zoro Select Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 50 PK 50NXLTH188
Zoro Select

Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 50 PK

Zoro # G2454759
Mfr # 50NXLTH188
product price: 
$231.99
/pk 50, $4.64/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
Hillman 1/4-20 in. Zinc-Plated Steel USS Nylon Lock Nut, 100PK 180147
Hillman

1/4-20 in. Zinc-Plated Steel USS Nylon Lock Nut, 100PK

Zoro # G016113166
Mfr # 180147
product price: 
$16.19
/pk 100, $0.16/ea
Pflitsch Lock Nut, M25-1.50, Stainless Steel, Not Graded 225/5STV
Pflitsch

Lock Nut, M25-1.50, Stainless Steel, Not Graded

Zoro # G7902545
Mfr # 225/5STV
product price: 
$5.99
/ea
Sold in mult. of 2 for $11.98
Wiska Lock Nut, M40-1.50, Stainless Steel, Not Graded 10064193
Wiska

Lock Nut, M40-1.50, Stainless Steel, Not Graded

Zoro # G7897645
Mfr # 10064193
product price: 
$13.95
/ea
Pflitsch Lock Nut, M32-1.50, Nickel Plated Brass, Nickel GMM232/7PA
Pflitsch

Lock Nut, M32-1.50, Nickel Plated Brass, Nickel

Zoro # G7896543
Mfr # GMM232/7PA
product price: 
$3.55
/ea
Sold in mult. of 3 for $10.65
Huyett Lock Nut, 4.325", Steel, Plain AN-22
Huyett

Lock Nut, 4.325", Steel, Plain

Zoro # G100401155
Mfr # AN-22
product price: 
$33.85
/ea
Huyett Lock Nut, M80, Steel, Plain KM-16
Huyett

Lock Nut, M80, Steel, Plain

Zoro # G400401152
Mfr # KM-16
product price: 
$10.15
/ea
Sold in mult. of 3 for $30.45
Flexloc Flexible Top Lock Nut, 3/4"-16, Steel, Grade 2, Black Oxide, 5/32 in Ht, 35 PK 30FK-1216
Flexloc

Flexible Top Lock Nut, 3/4"-16, Steel, Grade 2, Black Oxide, 5/32 in Ht, 35 PK

Zoro # G2478205
Mfr # 30FK-1216
product price: 
$158.99
/pk 35, $4.54/ea
Zoro Select Nylon Insert Lock Nut, 5/8"-11, Steel, Grade 2, Zinc Plated, 55/64 in Ht, 10 PK NLI20620NU-010P
Zoro Select

Nylon Insert Lock Nut, 5/8"-11, Steel, Grade 2, Zinc Plated, 55/64 in Ht, 10 PK

Zoro # G1684137
Mfr # NLI20620NU-010P
product price: 
$5.49
/pk 10, $0.55/ea
Hillman 8/32 in. Zinc-Plated Steel SAE Keps Lock Nut, 100PK 180270
Hillman

8/32 in. Zinc-Plated Steel SAE Keps Lock Nut, 100PK

Zoro # G416112530
Mfr # 180270
product price: 
$23.79
/pk 100, $0.24/ea
Lock Nuts (10,000+ items) - Page 6
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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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