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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 4

Zoro Select Top Lock Distorted Thread Lock Nut, 9/16"-18, Steel, Grade C, Yellow Zinc, 9/32 in Ht, 25 PK SLFI80561-025P
Zoro Select

Top Lock Distorted Thread Lock Nut, 9/16"-18, Steel, Grade C, Yellow Zinc, 9/32 in Ht, 25 PK

Zoro # G2737393
Mfr # SLFI80561-025P
product price:  $12.39
/pk 25, $0.50/ea
Boltsandnuts.Com Serrated Lock Nut, 5/8"-11, Grade 8, Plain, 8 PK 62CSLN8PL-8
Boltsandnuts.Com

Serrated Lock Nut, 5/8"-11, Grade 8, Plain, 8 PK

Zoro # G414502371
Mfr # 62CSLN8PL-8
product price:  $20.15
/pk 8, $2.52/ea
Boltsandnuts.Com Nylon Insert Lock Nut, 3/4"-10, Grade 8, Zinc Yellow, 50 PK 75CNNE8Y-50
Boltsandnuts.Com

Nylon Insert Lock Nut, 3/4"-10, Grade 8, Zinc Yellow, 50 PK

Zoro # G814487933
Mfr # 75CNNE8Y-50
product price:  $66.29
/pk 50, $1.33/ea
Makita Lock Nut 193048-0
Makita

Lock Nut

Zoro # G3132145
Mfr # 193048-0
product price:  $18.85
/ea
Zoro Select Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 7/16 in Ht, 100 PK NLI20310NU-100P
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 7/16 in Ht, 100 PK

Zoro # G0268536
Mfr # NLI20310NU-100P
product price:  $8.69
/pk 100, $0.09/ea
Zoro Select External Tooth Lock Washer Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht KEPIX-10-100P
Zoro Select

External Tooth Lock Washer Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht

Zoro # G3206743
Mfr # KEPIX-10-100P
product price:  $10.29
/pk 100, $0.10/ea
Disc-Lock Heavy Hex with Washer Lock Nut, 3/4"-10, Steel, Grade 8, Black Oxide, 20 PK DLTCN-750
CAD Files Available
Disc-Lock

Heavy Hex with Washer Lock Nut, 3/4"-10, Steel, Grade 8, Black Oxide, 20 PK

Zoro # G9594103
Mfr # DLTCN-750
product price:  $47.45
/pk 20, $2.37/ea
Zoro Select Serrated Lock Nut, 3/8"-16, Steel, Grade 8, Phosphate and Oil, 11/32 in Ht, 100 PK U12470.037.0001
CAD Files Available
Zoro Select

Serrated Lock Nut, 3/8"-16, Steel, Grade 8, Phosphate and Oil, 11/32 in Ht, 100 PK

Zoro # G2527607
Mfr # U12470.037.0001
product price:  $28.79
/pk 100, $0.29/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 3/4"-10, Steel, Grade C, Yellow Zinc, 53/64 in Ht, 10 PK U12920.075.0001
CAD Files Available
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/4"-10, Steel, Grade C, Yellow Zinc, 53/64 in Ht, 10 PK

Zoro # G5536036
Mfr # U12920.075.0001
product price:  $8.29
/pk 10, $0.83/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/8"-11, Steel, Grade C, Yellow Zinc, 47/64 in Ht, 10 PK U12920.062.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/8"-11, Steel, Grade C, Yellow Zinc, 47/64 in Ht, 10 PK

Zoro # G6216944
Mfr # U12920.062.0001
product price:  $4.45
/pk 10, $0.45/ea
Midwest Fastener Nylon Insert Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 25 PK 53668
Midwest Fastener

Nylon Insert Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 25 PK

Zoro # G502526814
Mfr # 53668
product price:  $13.59
/pk 25, $0.54/ea
Skf 18 Threads per Inch, 3-3/8 in. Outside Diameter N 13
Skf

18 Threads per Inch, 3-3/8 in. Outside Diameter

Zoro # G512509838
Mfr # N 13
product price:  $22.89
/ea
Midwest Fastener Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 50 PK 03653
CAD Files Available
Midwest Fastener

Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 50 PK

Zoro # G502526821
Mfr # 03653
product price:  $15.75
/pk 50, $0.32/ea
Midwest Fastener Nylon Insert Lock Nut, #8-32, Steel, Black Zinc, 15 PK 34168
Midwest Fastener

Nylon Insert Lock Nut, #8-32, Steel, Black Zinc, 15 PK

Zoro # G102526948
Mfr # 34168
product price:  $3.99
/pk 15, $0.27/ea
Sold in mult. of 2 for $7.98
Suburban Bolt And Supply Lock Nut, 1/4"-20, Stainless Steel A242016000J
Suburban Bolt And Supply

Lock Nut, 1/4"-20, Stainless Steel

Zoro # G903501731
Mfr # A242016000J
product price:  $0.24
/ea
Sold in mult. of 100 for $24.00
Titan Industrial Supply Lock Nut, 1/2"-20, Nylon, Grade 8 T1220NLNYZ8FT
Titan Industrial Supply

Lock Nut, 1/2"-20, Nylon, Grade 8

Zoro # G009152639
Mfr # T1220NLNYZ8FT
product price:  $0.68
/ea
Sold in mult. of 13 for $8.84
Zoro Select External Tooth K-Lock Lock Nut, M6-1.00, A2 Stainless Steel, Not Graded, Plain, 5 mm Ht, 1000 PK M6NKA2
Zoro Select

External Tooth K-Lock Lock Nut, M6-1.00, A2 Stainless Steel, Not Graded, Plain, 5 mm Ht, 1000 PK

Zoro # G9722083
Mfr # M6NKA2
product price:  $172.99
/pk 1000, $0.17/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, M36-4.00, Steel, Class 10, Black Oxide, 36 mm Ht 5GAZ5
Zoro Select

Nylon Insert Lock Nut, M36-4.00, Steel, Class 10, Black Oxide, 36 mm Ht

Zoro # G3366824
Mfr # 5GAZ5
product price:  $8.69
/ea
Suburban Bolt And Supply Lock Nut, #12-24, Zinc Plated A042014000K
Suburban Bolt And Supply

Lock Nut, #12-24, Zinc Plated

Zoro # G503463620
Mfr # A042014000K
product price:  $0.11
/ea
Sold in mult. of 100 for $11.00
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
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
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
Atc Pipe Lock Nut 3/4 in. Yellow Brass 1 pc 6JC050801521044
Atc

Pipe Lock Nut 3/4 in. Yellow Brass 1 pc

Zoro # G612170938
Mfr # 6JC050801521044
product price:  $3.49
/ea
Sold in mult. of 5 for $17.45
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1976x1
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G122863764
Mfr # X1E-FAS-NUT-LOC-1976x1
product price:  $0.66
/ea
Midwest Fastener Nylon Insert Lock Nut, 5/16"-18, Steel, Black Oxide, 8 PK 34174
Midwest Fastener

Nylon Insert Lock Nut, 5/16"-18, Steel, Black Oxide, 8 PK

Zoro # G502526913
Mfr # 34174
product price:  $3.99
/pk 8, $0.50/ea
Sold in mult. of 3 for $11.97
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
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:  $98.65
/pk 100, $0.99/ea
Huyett Lock Nut, 1.376", Steel, Plain N-07
Huyett

Lock Nut, 1.376", Steel, Plain

Zoro # G200401161
Mfr # N-07
product price:  $3.75
/ea
Sold in mult. of 7 for $26.25
Midwest Fastener Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 8, Yellow Zinc, 15 PK 51873
Midwest Fastener

Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 8, Yellow Zinc, 15 PK

Zoro # G302526663
Mfr # 51873
product price:  $23.25
/pk 15, $1.55/ea
Huyett Lock Nut, Steel, Plain N-05
Huyett

Lock Nut, Steel, Plain

Zoro # G600401143
Mfr # N-05
product price:  $3.15
/ea
Sold in mult. of 9 for $28.35
X1 Tools 5/8-11 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1234x8
X1 Tools

5/8-11 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK

Zoro # G722847232
Mfr # X1E-FAS-NUT-LOC-1234x8
product price:  $30.79
/pk 8, $3.85/ea
Flexloc Flexible Top Lock Nut, 3/4"-16, Steel, Grade 2, Cadmium Plated, 5/32 in Ht, 35 PK 31FK-1216
Flexloc

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

Zoro # G2478485
Mfr # 31FK-1216
product price:  $178.99
/pk 35, $5.11/ea
Midwest Fastener Lock Nut, 1/4", Steel, 10 PK 64617
Midwest Fastener

Lock Nut, 1/4", Steel, 10 PK

Zoro # G202526862
Mfr # 64617
product price:  $7.25
/pk 10, $0.73/ea
Sold in mult. of 2 for $14.50
Disc-Lock Heavy Hex with Washer Lock Nut, 1/2"-13, Steel, Grade 8, Zinc Plated, 50 PK DLTCN-500
Disc-Lock

Heavy Hex with Washer Lock Nut, 1/2"-13, Steel, Grade 8, Zinc Plated, 50 PK

Zoro # G9445843
Mfr # DLTCN-500
product price:  $65.55
/pk 50, $1.31/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
Lock Nuts (10,000+ items) - Page 4
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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
lock nut nylon insertnylon insert flange nutflanged locknutnylon-insert locknuts3/8-16 nuts stainless steel
3/8" flange nuts5/8-18 flange nutdistorted thread lock nutserrated flange lock nutlock nut 5/16-18

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