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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 11

Boltsandnuts.Com Serrated Lock Nut, 1/4"-20, 316 Stainless Steel, Plain, 50 PK 25CSLNSS/316-50
Boltsandnuts.Com

Serrated Lock Nut, 1/4"-20, 316 Stainless Steel, Plain, 50 PK

Zoro # G014449960
Mfr # 25CSLNSS/316-50
product price: 
$23.99
/pk of 50, $0.48/ea
Flexloc Flexible Top Lock Nut, #10-24, Steel, Grade 2, Black Oxide, 1/16 in Ht, 200 PK 20FK-1024
Flexloc

Flexible Top Lock Nut, #10-24, Steel, Grade 2, Black Oxide, 1/16 in Ht, 200 PK

Zoro # G2479325
Mfr # 20FK-1024
product price: 
$82.29
/pk of 200, $0.41/ea
Huyett Nylon Insert Lock Nut, #6-32, Stainless Steel, 18-8, Plain, 0.125 in Ht NUTH54-0006-0125188P
Huyett

Nylon Insert Lock Nut, #6-32, Stainless Steel, 18-8, Plain, 0.125 in Ht

Zoro # G813330797
Mfr # NUTH54-0006-0125188P
product price: 
$0.08
/ea
Sold in mult. of 250 for $20.00
Boltsandnuts.Com Nylon Insert Lock Nut, 1/4"-20, Grade 5, Zinc Plated, 100 PK 25CNFNFZ-100
Boltsandnuts.Com

Nylon Insert Lock Nut, 1/4"-20, Grade 5, Zinc Plated, 100 PK

Zoro # G814447838
Mfr # 25CNFNFZ-100
product price: 
$42.69
/pk of 100, $0.43/ea
Midwest Fastener Nylon Insert Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, 100 PK 05286
Midwest Fastener

Nylon Insert Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, 100 PK

Zoro # G402526778
Mfr # 05286
product price: 
$19.99
/pk of 100, $0.20/ea
Midwest Fastener Nylon Insert Lock Nut, 1/4"-28, Steel, Grade 2, Zinc Plated, 100 PK 03661
Midwest Fastener

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

Zoro # G502526807
Mfr # 03661
product price: 
$9.99
/pk of 100, $0.10/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 of 25, $0.54/ea
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 of 1000, $0.17/ea
Heico-Lock 2-Piece Wedge Lock Nut, M6-1.0, Steel, Class 10, Zinc-Coated, 5 19/100 mm Ht, 10 PK HLM-6-B
Heico-Lock

2-Piece Wedge Lock Nut, M6-1.0, Steel, Class 10, Zinc-Coated, 5 19/100 mm Ht, 10 PK

Zoro # G011471438
Mfr # HLM-6-B
product price: 
$12.59
/pk of 10, $1.26/ea
Boltsandnuts.Com Nylon Insert Lock Nut, M10-1.5, Class 8, Zinc Yellow, 25 PK M10CNFN8Y-25
Boltsandnuts.Com

Nylon Insert Lock Nut, M10-1.5, Class 8, Zinc Yellow, 25 PK

Zoro # G414504436
Mfr # M10CNFN8Y-25
product price: 
$20.49
/pk of 25, $0.82/ea
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
Zoro Select Nylon Insert Lock Nut, 5/8"-11, Nylon, Zinc Plated, 0.593 in Ht, 200 PK 62NS
Zoro Select

Nylon Insert Lock Nut, 5/8"-11, Nylon, Zinc Plated, 0.593 in Ht, 200 PK

Zoro # G2449594
Mfr # 62NS
product price: 
$57.29
/pk of 200, $0.29/ea
Huyett Nylon Insert Lock Nut, 1/2-13, Stainless Steel, 18-8, Plain, 0.593 in Ht NUTH59-0500-0593188P
Huyett

Nylon Insert Lock Nut, 1/2-13, Stainless Steel, 18-8, Plain, 0.593 in Ht

Zoro # G113331203
Mfr # NUTH59-0500-0593188P
product price: 
$0.42
/ea
Sold in mult. of 40 for $16.80
Midwest Fastener External Tooth Lock Washer Lock Nut, #10-32, Steel, Grade 2, Zinc Plated, 100 PK 03819
Midwest Fastener

External Tooth Lock Washer Lock Nut, #10-32, Steel, Grade 2, Zinc Plated, 100 PK

Zoro # G002526727
Mfr # 03819
product price: 
$11.99
/pk of 100, $0.12/ea
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
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 of 50, $1.31/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 of 35, $5.11/ea
Huyett Nylon Insert Lock Nut, 5/16-18, Low Carbon Steel, Zinc Clear Trivalent, 0.343 in Ht NUTH59-0312-0343LC3
Huyett

Nylon Insert Lock Nut, 5/16-18, Low Carbon Steel, Zinc Clear Trivalent, 0.343 in Ht

Zoro # G213330663
Mfr # NUTH59-0312-0343LC3
product price: 
$0.05
/ea
Sold in mult. of 365 for $18.25
Midwest Fastener Nylon Insert Lock Nut, M5-0.80, Steel, Class 8, Zinc Plated, 50 PK 53663
Midwest Fastener

Nylon Insert Lock Nut, M5-0.80, Steel, Class 8, Zinc Plated, 50 PK

Zoro # G702526805
Mfr # 53663
product price: 
$5.49
/pk of 50, $0.11/ea
Sold in mult. of 2 pks for $10.98
A Raymond Tinnerman Lock Nut, 7/16"-20, Spring Steel, Zinc Plated, 0.160 in Ht EFLNH-RL716200-214/B
A Raymond Tinnerman

Lock Nut, 7/16"-20, Spring Steel, Zinc Plated, 0.160 in Ht

Zoro # G300400125
Mfr # EFLNH-RL716200-214/B
product price: 
$0.24
/ea
Sold in mult. of 106 for $25.44
Zoro Select Nylon Insert Lock Nut, Standard Hex, PK50 39-N-37C
Zoro Select

Nylon Insert Lock Nut, Standard Hex, PK50

Zoro # G322657507
Mfr # 39-N-37C
product price: 
$9.15
/pk of 50, $0.18/ea
Sold in mult. of 2 pks for $18.30
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 of 8, $0.50/ea
Sold in mult. of 3 pks for $11.97
Zoro Select Lock Nut, 1/2"-13, Nylon, Zinc Plated, 0.464 in Ht, 300 PK 50NS
Zoro Select

Lock Nut, 1/2"-13, Nylon, Zinc Plated, 0.464 in Ht, 300 PK

Zoro # G2449971
Mfr # 50NS
product price: 
$54.49
/pk of 300, $0.18/ea
Zoro Select Lock Nut, 1-3/8"-6, Steel, Grade C, Wax, 0.771 in Ht, 10 PK 137NO
Zoro Select

Lock Nut, 1-3/8"-6, Steel, Grade C, Wax, 0.771 in Ht, 10 PK

Zoro # G2447354
Mfr # 137NO
product price: 
$93.19
/pk of 10, $9.32/ea
Zoro Select Self Clinching Lock Nut, 3/8"-16, Steel, Zinc Plated, 2000 PK 37-1NCL
Zoro Select

Self Clinching Lock Nut, 3/8"-16, Steel, Zinc Plated, 2000 PK

Zoro # G2437870
Mfr # 37-1NCL
product price: 
$1,019.99
/pk of 2000, $0.51/ea
Midwest Fastener Spanner Lock Nut, 1/4"-20, Steel, Zinc Plated, 6 PK 77785
Midwest Fastener

Spanner Lock Nut, 1/4"-20, Steel, Zinc Plated, 6 PK

Zoro # G402512535
Mfr # 77785
product price: 
$31.55
/pk of 6, $5.26/ea
Newport Fasteners Flexible Top Lock Nut, 1/4"-28, Steel, Cadmium Plated, 0.122 in Ht, 500 PK 372230
Newport Fasteners

Flexible Top Lock Nut, 1/4"-28, Steel, Cadmium Plated, 0.122 in Ht, 500 PK

Zoro # G506329688
Mfr # 372230
product price: 
$420.99
/pk of 500, $0.84/ea
Zoro Select Nylon Insert Lock Nut, #10-24, Nylon, Black Oxide, 0.14 in Ht, 2000 PK 10NSB
Zoro Select

Nylon Insert Lock Nut, #10-24, Nylon, Black Oxide, 0.14 in Ht, 2000 PK

Zoro # G2450854
Mfr # 10NSB
product price: 
$88.49
/pk of 2000, $0.04/ea
Zoro Select Lock Nut, 9/16"-12, Steel, Grade 8, Yellow Zinc, 0.35 in Ht, 150 PK 56NR8
Zoro Select

Lock Nut, 9/16"-12, Steel, Grade 8, Yellow Zinc, 0.35 in Ht, 150 PK

Zoro # G2448885
Mfr # 56NR8
product price: 
$133.99
/pk of 150, $0.89/ea
Zoro Select Lock Nut, 1/2"-13, Nylon, Yellow Zinc, 0.464 in Ht, 800 PK 50NSTY
Zoro Select

Lock Nut, 1/2"-13, Nylon, Yellow Zinc, 0.464 in Ht, 800 PK

Zoro # G2451782
Mfr # 50NSTY
product price: 
$225.99
/pk of 800, $0.28/ea
Zoro Select Nylon Insert Lock Nut, 3/4"-10, Nylon, Zinc Plated, 0.742 in Ht, 100 PK 75NS
Zoro Select

Nylon Insert Lock Nut, 3/4"-10, Nylon, Zinc Plated, 0.742 in Ht, 100 PK

Zoro # G2449719
Mfr # 75NS
product price: 
$69.29
/pk of 100, $0.69/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
Flexloc Flexible Top Lock Nut, 7/8"-9, Steel, Grade 2, Black Oxide, 25/64 in Ht, 5 PK 30FA-1409
Flexloc

Flexible Top Lock Nut, 7/8"-9, Steel, Grade 2, Black Oxide, 25/64 in Ht, 5 PK

Zoro # G2479228
Mfr # 30FA-1409
product price: 
$87.39
/pk of 5, $17.48/ea
Zoro Select Lock Nut, 3/8"-16, Nylon, Black Zinc, 0.335 in Ht, 1000 PK 37NSTBZ
Zoro Select

Lock Nut, 3/8"-16, Nylon, Black Zinc, 0.335 in Ht, 1000 PK

Zoro # G2451819
Mfr # 37NSTBZ
product price: 
$142.99
/pk of 1000, $0.14/ea
Newport Fasteners Nylon Insert Lock Nut, M18-2.50, Steel, Class 8, Zinc Plated, 25 PK 660504-PR-25
Newport Fasteners

Nylon Insert Lock Nut, M18-2.50, Steel, Class 8, Zinc Plated, 25 PK

Zoro # G006329515
Mfr # 660504-PR-25
product price: 
$101.99
/pk of 25, $4.08/ea
Midwest Fastener Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 15 PK 78984
Midwest Fastener

Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 15 PK

Zoro # G202526718
Mfr # 78984
product price: 
$6.49
/pk of 15, $0.43/ea
Sold in mult. of 2 pks for $12.98
Lock Nuts (10,000+ items) - Page 11
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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
1/2" 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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