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  7. Lock Nuts

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

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:  $160.99
/pk 4000, $0.04/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
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 1000, $0.14/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 100 PK 816717-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G206331608
Mfr # 816717-PR-100
product price:  $42.55
/pk 100, $0.43/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 2000, $0.04/ea
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
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
Midwest Fastener Nylon Insert Lock Nut, M8-1.25, A2 Stainless Steel, Not Graded, 8 PK 75664
Midwest Fastener

Nylon Insert Lock Nut, M8-1.25, A2 Stainless Steel, Not Graded, 8 PK

Zoro # G702526836
Mfr # 75664
product price:  $6.15
/pk 8, $0.77/ea
Sold in mult. of 2 for $12.30
Flexloc Flexible Top Lock Nut, 1/2"-13, Steel, Grade 2, Black Oxide, 13/64 in Ht, 25 PK 20FA-813
Flexloc

Flexible Top Lock Nut, 1/2"-13, Steel, Grade 2, Black Oxide, 13/64 in Ht, 25 PK

Zoro # G2478187
Mfr # 20FA-813
product price:  $99.99
/pk 25, $4.00/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
Flexloc Flexible Top Lock Nut, 1/4"-28, Steel, Grade 2, Cadmium Plated, 9/64 in Ht, 100 PK 21FC-428
Flexloc

Flexible Top Lock Nut, 1/4"-28, Steel, Grade 2, Cadmium Plated, 9/64 in Ht, 100 PK

Zoro # G2479255
Mfr # 21FC-428
product price:  $80.55
/pk 100, $0.81/ea
Zoro Select Lock Nut, 1-1/8"-7, Steel, Grade C, Wax, 0.636 in Ht, 20 PK 112NO
Zoro Select

Lock Nut, 1-1/8"-7, Steel, Grade C, Wax, 0.636 in Ht, 20 PK

Zoro # G2447013
Mfr # 112NO
product price:  $164.99
/pk 20, $8.25/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
Disc-Lock 2-Piece Wedge Lock Nut, 1/2"-20, Steel, Grade 8, Zinc Plated, 50 PK NSF 205-01-565
Disc-Lock

2-Piece Wedge Lock Nut, 1/2"-20, Steel, Grade 8, Zinc Plated, 50 PK

Zoro # G9445807
Mfr # NSF 205-01-565
product price:  $45.85
/pk 50, $0.92/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
Heico-Lock 2-Piece Wedge Lock Nut, M22-1.5, Steel, Class 10, Zinc-Coated, 18 1/20 mm Ht, 10 PK HLM-22x1.5
Heico-Lock

2-Piece Wedge Lock Nut, M22-1.5, Steel, Class 10, Zinc-Coated, 18 1/20 mm Ht, 10 PK

Zoro # G611471449
Mfr # HLM-22x1.5
product price:  $108.99
/pk 10, $10.90/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 Top Lock Distorted Thread Lock Nut, 3/4"-16, Steel, Grade C, Yellow Zinc, 13/16 in Ht, 10 PK U12960.075.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/4"-16, Steel, Grade C, Yellow Zinc, 13/16 in Ht, 10 PK

Zoro # G5717171
Mfr # U12960.075.0002
product price:  $9.65
/pk 10, $0.97/ea
Zoro Select Nylon Insert Lock Nut, 1-3/4"-12, Steel, Grade 2, Black Oxide, 1 53/64 in Ht 4FHZ4
Zoro Select

Nylon Insert Lock Nut, 1-3/4"-12, Steel, Grade 2, Black Oxide, 1 53/64 in Ht

Zoro # G1391853
Mfr # 4FHZ4
product price:  $21.85
/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M18-1.50, Steel, Class 8, Zinc Plated, 18 mm Ht, 50 PK M12912.180.0150
Zoro Select

Top Lock Distorted Thread Lock Nut, M18-1.50, Steel, Class 8, Zinc Plated, 18 mm Ht, 50 PK

Zoro # G0302307
Mfr # M12912.180.0150
product price:  $110.99
/pk 50, $2.22/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 Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 39/64 in Ht, 600 PK NLI20500NE600T
Zoro Select

Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 39/64 in Ht, 600 PK

Zoro # G3660501
Mfr # NLI20500NE600T
product price:  $83.79
/pk 600, $0.14/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:  $8.89
/pk 5, $1.78/ea
Zoro Select Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 15/32 in Ht, 1500 PK NLI20370NE-1500T
Zoro Select

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 15/32 in Ht, 1500 PK

Zoro # G5194147
Mfr # NLI20370NE-1500T
product price:  $87.69
/pk 1500, $0.06/ea
Foreverbolt Nylon Insert Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, NL-19, 37/64 in Ht, 25 PK FBLN1213P25
Foreverbolt

Nylon Insert Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, NL-19, 37/64 in Ht, 25 PK

Zoro # G8040761
Mfr # FBLN1213P25
product price:  $37.69
/pk 25, $1.51/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 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, M6-1.00, Steel, Class 8, Zinc Plated, 6 mm Ht, 100 PK M12858.060.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M6-1.00, Steel, Class 8, Zinc Plated, 6 mm Ht, 100 PK

Zoro # G0102621
Mfr # M12858.060.0001
product price:  $6.55
/pk 100, $0.07/ea
Zoro Select Nylon Insert Lock Nut, 7/16"-14, Steel, Grade 2, Zinc Plated, 3/4 in Ht, 25 PK U12300.043.0001
Zoro Select

Nylon Insert Lock Nut, 7/16"-14, Steel, Grade 2, Zinc Plated, 3/4 in Ht, 25 PK

Zoro # G5332616
Mfr # U12300.043.0001
product price:  $2.19
/pk 25, $0.09/ea
Zoro Select Nylon Insert Lock Nut, 3/4"-10, Nylon, Grade 5, Zinc Plated, 0.742 in Ht, 200 PK 75NS5
Zoro Select

Nylon Insert Lock Nut, 3/4"-10, Nylon, Grade 5, Zinc Plated, 0.742 in Ht, 200 PK

Zoro # G2450355
Mfr # 75NS5
product price:  $318.99
/pk 200, $1.59/ea
Zoro Select Nylon Insert Lock Nut, 2"-4 1/2, Steel, Grade 2, Black Oxide, 1-3/4 in Ht 4FHZ5
Zoro Select

Nylon Insert Lock Nut, 2"-4 1/2, Steel, Grade 2, Black Oxide, 1-3/4 in Ht

Zoro # G3127451
Mfr # 4FHZ5
product price:  $19.79
/ea
Zoro Select Top Lock Distorted Thread Lock Nut, #10-24, Steel, Grade 2, Zinc Plated, 7/32 in Ht, 100 PK HFNI2-100-100P
Zoro Select

Top Lock Distorted Thread Lock Nut, #10-24, Steel, Grade 2, Zinc Plated, 7/32 in Ht, 100 PK

Zoro # G0418853
Mfr # HFNI2-100-100P
product price:  $9.39
/pk 100, $0.09/ea
Zoro Select Nylon Insert Lock Nut, M10-1.50, Steel, Class 10, Zinc Plated, 11 1/2 mm Ht, 100 PK NL200100Z-100P
Zoro Select

Nylon Insert Lock Nut, M10-1.50, Steel, Class 10, Zinc Plated, 11 1/2 mm Ht, 100 PK

Zoro # G511169583
Mfr # NL200100Z-100P
product price:  $29.99
/pk 100, $0.30/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
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
Foreverbolt Serrated Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, NL-19, 7/32 in Ht, 50 PK FBFHN1032P50
Foreverbolt

Serrated Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, NL-19, 7/32 in Ht, 50 PK

Zoro # G8480431
Mfr # FBFHN1032P50
product price:  $24.15
/pk 50, $0.48/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 ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
5/16-24 nuts2 inch locknutlock nut 5/16-18flanged locknutn-10 lock nut
1/4" locking nutnylon insert hex nutnylon-insert locknuts3/8-16 nuts stainless steel10mm nuts

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