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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 13

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 200, $0.41/ea
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 50, $0.18/ea
Sold in mult. of 2 for $18.30
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 150, $0.89/ea
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 200, $0.29/ea
Flexloc Flexible Top Lock Nut, 5/16"-24, Steel, Grade 2, Cadmium Plated, 3/32 in Ht, 150 PK 21FK-524
Flexloc

Flexible Top Lock Nut, 5/16"-24, Steel, Grade 2, Cadmium Plated, 3/32 in Ht, 150 PK

Zoro # G2479657
Mfr # 21FK-524
product price: 
$100.99
/pk 150, $0.67/ea
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
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
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 2000, $0.04/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: 
$5.99
/pk 50, $0.12/ea
Sold in mult. of 2 for $11.98
Zoro Select Nylon Insert Lock Nut, #8-32, Nylon, Zinc Plated, 0.14 in Ht, 2000 PK 08NS
Zoro Select

Nylon Insert Lock Nut, #8-32, Nylon, Zinc Plated, 0.14 in Ht, 2000 PK

Zoro # G2449305
Mfr # 08NS
product price: 
$74.99
/pk 2000, $0.04/ea
Una-Drive Lock Nut, 5/8"-11, Steel, Grade 5, Waxed Zinc Plated, 50 PK NT9517PB
Una-Drive

Lock Nut, 5/8"-11, Steel, Grade 5, Waxed Zinc Plated, 50 PK

Zoro # G4413857
Mfr # NT9517PB
product price: 
$57.39
/pk 50, $1.15/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 25, $4.08/ea
Zoro Select Lock Nut, M20-2.50, Nylon, Class 8, Zinc Plated, 50 PK M20D985
Zoro Select

Lock Nut, M20-2.50, Nylon, Class 8, Zinc Plated, 50 PK

Zoro # G8544534
Mfr # M20D985
product price: 
$43.59
/pk 50, $0.87/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
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: 
$62.79
/pk 250, $0.25/ea
Suburban Bolt And Supply Lock Nut, 3/4"-10, Steel, Grade 8, Plain A042048000J8
Suburban Bolt And Supply

Lock Nut, 3/4"-10, Steel, Grade 8, Plain

Zoro # G903501816
Mfr # A042048000J8
product price: 
$2.15
/ea
Sold in mult. of 20 for $43.00
Zoro Select Lock Nut, 3/8"-16, Nylon, Yellow Zinc, 0.335 in Ht, 1000 PK 37NSTY
Zoro Select

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

Zoro # G2451965
Mfr # 37NSTY
product price: 
$131.99
/pk 1000, $0.13/ea
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 100, $0.43/ea
Zoro Select Lock Nut, 3/8"-24, Steel, Case Hardened, Zinc Baked, 0.23 in Ht, 1000 PK 38NR
Zoro Select

Lock Nut, 3/8"-24, Steel, Case Hardened, Zinc Baked, 0.23 in Ht, 1000 PK

Zoro # G2448459
Mfr # 38NR
product price: 
$120.99
/pk 1000, $0.12/ea
Newport Fasteners Serrated Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 25 PK 382486-PR-25
Newport Fasteners

Serrated Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 25 PK

Zoro # G106308960
Mfr # 382486-PR-25
product price: 
$106.99
/pk 25, $4.28/ea
Huyett Top Lock Distorted Thread Lock Nut, 5/8-11, Steel, Grade C, Zinc Clear Trivalent and Wax NUTH06-0625-0625GCX
Huyett

Top Lock Distorted Thread Lock Nut, 5/8-11, Steel, Grade C, Zinc Clear Trivalent and Wax

Zoro # G713330705
Mfr # NUTH06-0625-0625GCX
product price: 
$0.43
/ea
Sold in mult. of 46 for $19.78
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 50, $0.11/ea
Sold in mult. of 2 for $10.98
Zoro Select Conical K-Lock Lock Nut, 3/8"-16, Steel, Zinc Plated, 0.32 in Ht, 1000 PK 3716NKC
Zoro Select

Conical K-Lock Lock Nut, 3/8"-16, Steel, Zinc Plated, 0.32 in Ht, 1000 PK

Zoro # G2446392
Mfr # 3716NKC
product price: 
$352.99
/pk 1000, $0.35/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
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
Flexloc Flexible Top Lock Nut, 5/8"-11, Steel, Grade 2, Black Oxide, 13/32 in Ht, 20 PK 30FAF-1011
Flexloc

Flexible Top Lock Nut, 5/8"-11, Steel, Grade 2, Black Oxide, 13/32 in Ht, 20 PK

Zoro # G2478607
Mfr # 30FAF-1011
product price: 
$121.99
/pk 20, $6.10/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: 
$4.79
/pk 100, $0.05/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1/4"-20, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK U12920.025.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 1/4"-20, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK

Zoro # G0633281
Mfr # U12920.025.0001
product price: 
$48.79
/pk 100, $0.49/ea
Zoro Select Nylon Insert Lock Nut, M10-1.00, Steel, Class 8, Zinc Plated, 10 mm Ht, 100 PK NLX580100Z-100P
Zoro Select

Nylon Insert Lock Nut, M10-1.00, Steel, Class 8, Zinc Plated, 10 mm Ht, 100 PK

Zoro # G311169455
Mfr # NLX580100Z-100P
product price: 
$17.55
/pk 100, $0.18/ea
Zoro Select Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade 2, Zinc Plated, 5 PK U12300.150.0001
Zoro Select

Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade 2, Zinc Plated, 5 PK

Zoro # G5527837
Mfr # U12300.150.0001
product price: 
$36.79
/pk 5, $7.36/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/16"-18, Steel, Grade 8, Phosphate and Oil, 11/64 in Ht U12120.031.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/16"-18, Steel, Grade 8, Phosphate and Oil, 11/64 in Ht

Zoro # G6163529
Mfr # U12120.031.0001
product price: 
$38.69
/pk 100, $0.39/ea
Heico-Lock 2-Piece Wedge Lock Nut, M8-1.25, Steel, Class 10, Zinc-Coated, 7 7/10 mm Ht, 10 PK HLM-8-B
Heico-Lock

2-Piece Wedge Lock Nut, M8-1.25, Steel, Class 10, Zinc-Coated, 7 7/10 mm Ht, 10 PK

Zoro # G311471459
Mfr # HLM-8-B
product price: 
$15.55
/pk 10, $1.56/ea
Zoro Select Nylon Insert Lock Nut, 1/4"-28, Steel, Grade 2, Chrome Plated, 5/16 in Ht, 5 PK MPB3254
Zoro Select

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

Zoro # G1760893
Mfr # MPB3254
product price: 
$4.99
/pk 5, $1.00/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
Heico-Lock 2-Piece Wedge Lock Nut, M8-1.25, Stainless Steel, A4-80, Plain, 6 31/50 mm Ht, 10 PK HLMG-8S/A4-80-B
Heico-Lock

2-Piece Wedge Lock Nut, M8-1.25, Stainless Steel, A4-80, Plain, 6 31/50 mm Ht, 10 PK

Zoro # G611471425
Mfr # HLMG-8S/A4-80-B
product price: 
$24.15
/pk 10, $2.42/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M12-1.50, Steel, Class 8, Zinc Plated, 12 mm Ht, 100 PK M12912.120.0150
Zoro Select

Top Lock Distorted Thread Lock Nut, M12-1.50, Steel, Class 8, Zinc Plated, 12 mm Ht, 100 PK

Zoro # G0302331
Mfr # M12912.120.0150
product price: 
$48.75
/pk 100, $0.49/ea
Lock Nuts (10,000+ items) - Page 13
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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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