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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 14

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: 
$112.99
/pk 20, $5.65/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: 
$328.99
/pk 200, $1.64/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: 
$20.39
/ea
Zoro Select Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Chrome Plated, 15/32 in Ht, 5 PK MPB3257
Zoro Select

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Chrome Plated, 15/32 in Ht, 5 PK

Zoro # G3420514
Mfr # MPB3257
product price: 
$7.49
/pk 5, $1.50/ea
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
Zoro Select Nylon Insert Lock Nut, #10-32, Steel, Grade A, Zinc Plated, 1/8 in Ht, 100 PK 4CAN9
Zoro Select

Nylon Insert Lock Nut, #10-32, Steel, Grade A, Zinc Plated, 1/8 in Ht, 100 PK

Zoro # G1790083
Mfr # 4CAN9
product price: 
$10.45
/pk 100, $0.10/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
Zoro Select Top Lock Distorted Thread Lock Nut, 7/16"-20, Steel, Grade C, Yellow Zinc, 15/64 in Ht, 50 PK SLFI80431-050P
Zoro Select

Top Lock Distorted Thread Lock Nut, 7/16"-20, Steel, Grade C, Yellow Zinc, 15/64 in Ht, 50 PK

Zoro # G2847844
Mfr # SLFI80431-050P
product price: 
$12.69
/pk 50, $0.25/ea
Zoro Select Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 3/8 in Ht, 50 PK U12601.037.0001
Zoro Select

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 3/8 in Ht, 50 PK

Zoro # G9052041
Mfr # U12601.037.0001
product price: 
$13.65
/pk 50, $0.27/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, 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
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, 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: 
$92.15
/pk 1500, $0.06/ea
Foreverbolt Serrated Lock Nut, M5-8, 18-8 Stainless Steel, Not Graded, NL-19, 13 mm Ht, 25 PK FBFHNM8P25
Foreverbolt

Serrated Lock Nut, M5-8, 18-8 Stainless Steel, Not Graded, NL-19, 13 mm Ht, 25 PK

Zoro # G8480355
Mfr # FBFHNM8P25
product price: 
$18.89
/pk 25, $0.76/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 7/8"-14, Steel, Grade C, Yellow Zinc, 3/4 in Ht, 10 PK SLFI80871-010P
Zoro Select

Top Lock Distorted Thread Lock Nut, 7/8"-14, Steel, Grade C, Yellow Zinc, 3/4 in Ht, 10 PK

Zoro # G2789306
Mfr # SLFI80871-010P
product price: 
$17.79
/pk 10, $1.78/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, 9/16"-12, Steel, Grade 2, Zinc Plated, 25/32 in Ht, 25 PK U12300.056.0001
Zoro Select

Nylon Insert Lock Nut, 9/16"-12, Steel, Grade 2, Zinc Plated, 25/32 in Ht, 25 PK

Zoro # G4266525
Mfr # U12300.056.0001
product price: 
$6.79
/pk 25, $0.27/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1"-8, Steel, Grade C, Yellow Zinc, 1/2 in Ht, 5 PK U12920.100.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 1"-8, Steel, Grade C, Yellow Zinc, 1/2 in Ht, 5 PK

Zoro # G9700476
Mfr # U12920.100.0001
product price: 
$11.39
/pk 5, $2.28/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 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 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 Serrated Lock Nut, #6-32, 18-8 Stainless Steel, Not Graded, Plain, 11/64 in Ht, 50 PK U51108.013.0001
Zoro Select

Serrated Lock Nut, #6-32, 18-8 Stainless Steel, Not Graded, Plain, 11/64 in Ht, 50 PK

Zoro # G2527546
Mfr # U51108.013.0001
product price: 
$7.29
/pk 50, $0.15/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: 
$328.99
/pk 300, $1.10/ea
Flexloc Flexible Top Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 1/16 in Ht, 100 PK 50FK-1032
Flexloc

Flexible Top Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 1/16 in Ht, 100 PK

Zoro # G2478701
Mfr # 50FK-1032
product price: 
$150.99
/pk 100, $1.51/ea
Foreverbolt Serrated Lock Nut, M10-1.50, 316 Stainless Steel, Not Graded, NL-19, 10 mm Ht, 10 PK FB3FHNM10P10
Foreverbolt

Serrated Lock Nut, M10-1.50, 316 Stainless Steel, Not Graded, NL-19, 10 mm Ht, 10 PK

Zoro # G8480440
Mfr # FB3FHNM10P10
product price: 
$33.65
/pk 10, $3.36/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, 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 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
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: 
$50.29
/pk 100, $0.50/ea
Heico-Lock 2-Piece Wedge Lock Nut, M22-2.5, Steel, Class 10, Zinc-Coated, 18 1/20 mm Ht, 10 PK HLM-22
Heico-Lock

2-Piece Wedge Lock Nut, M22-2.5, Steel, Class 10, Zinc-Coated, 18 1/20 mm Ht, 10 PK

Zoro # G611471470
Mfr # HLM-22
product price: 
$116.99
/pk 10, $11.70/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: 
$87.99
/pk 600, $0.15/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: 
$9.99
/pk 25, $0.40/ea
Wiska PG 48/PALG/LN 10060679
Wiska

PG 48/PALG/LN

Zoro # G7897146
Mfr # 10060679
product price: 
$1.49
/ea
Sold in mult. of 6 for $8.94
Newport Fasteners Flexible Top Lock Nut, #8-32, Steel, Cadmium Plated, 0.105 in Ht, 1000 PK 362863
Newport Fasteners

Flexible Top Lock Nut, #8-32, Steel, Cadmium Plated, 0.105 in Ht, 1000 PK

Zoro # G006327603
Mfr # 362863
product price: 
$779.99
/pk 1000, $0.78/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 1000 PK NB305299B-1000
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 1000 PK

Zoro # G906331946
Mfr # NB305299B-1000
product price: 
$238.99
/pk 1000, $0.24/ea
Newport Fasteners Serrated Lock Nut, 3/8"-16, 316 Stainless Steel, Not Graded, 0.23 in Ht, 100 PK NB046030P-100
Newport Fasteners

Serrated Lock Nut, 3/8"-16, 316 Stainless Steel, Not Graded, 0.23 in Ht, 100 PK

Zoro # G206309010
Mfr # NB046030P-100
product price: 
$122.99
/pk 100, $1.23/ea
Lock Nuts (10,000+ items) - Page 14
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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 NutsCap Nuts & Acorn NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
3/8-16 ss nuts1/2" flange lock nut2 inch locknutnylon insert hex nut5/16-18 nylon locking nut
1/4 npt locknuts4" lock nuts1" lock nuts1/4" locking nut3/4 lock nuts

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