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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 12

Standard Locknut Bearing Lock Washers AN20
Standard Locknut

Bearing Lock Washers

Zoro # G222962909
Mfr # AN20
product price: 
$31.99
/ea
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 of 50, $0.92/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 of 10, $10.90/ea
Flexloc Flexible Top Lock Nut, 5/8"-11, Steel, Grade 2, Cadmium Plated, 1/4 in Ht, 15 PK 31FA-1011
Flexloc

Flexible Top Lock Nut, 5/8"-11, Steel, Grade 2, Cadmium Plated, 1/4 in Ht, 15 PK

Zoro # G2478196
Mfr # 31FA-1011
product price: 
$102.99
/pk of 15, $6.87/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 Nylon Insert Lock Nut, 1/2"-13, Nylon, Black Zinc, 0.464 in Ht, 300 PK 50NSBZ
Zoro Select

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

Zoro # G2450909
Mfr # 50NSBZ
product price: 
$103.99
/pk of 300, $0.35/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
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: 
$103.99
/pk of 100, $1.04/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
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, 1-3/4"-12, Steel, Grade C, Wax, 0.989 in Ht, 5 PK 176NO
Zoro Select

Lock Nut, 1-3/4"-12, Steel, Grade C, Wax, 0.989 in Ht, 5 PK

Zoro # G2447433
Mfr # 176NO
product price: 
$157.99
/pk of 5, $31.60/ea
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 of 25, $4.00/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 of 20, $8.25/ea
Midwest Fastener Stover Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 5 PK 72966
Midwest Fastener

Stover Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 5 PK

Zoro # G302526809
Mfr # 72966
product price: 
$13.45
/pk of 5, $2.69/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
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, 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 of 10, $1.19/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 of 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 of 25, $0.50/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/16"-24, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK SLFI80311-100P
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/16"-24, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK

Zoro # G1235735
Mfr # SLFI80311-100P
product price: 
$12.29
/pk of 100, $0.12/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 of 10, $0.97/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 of 25, $0.76/ea
Zoro Select External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 21/64 in Ht KEPIX031-025P
Zoro Select

External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 21/64 in Ht

Zoro # G0467476
Mfr # KEPIX031-025P
product price: 
$5.69
/pk of 25, $0.23/ea
Zoro Select External Tooth Lock Washer Lock Nut, M5-0.80, Steel, Class 8, Zinc Plated, 5 13/32 mm Ht, 100 PK KEP8005000-100P
Zoro Select

External Tooth Lock Washer Lock Nut, M5-0.80, Steel, Class 8, Zinc Plated, 5 13/32 mm Ht, 100 PK

Zoro # G1840097
Mfr # KEP8005000-100P
product price: 
$5.39
/pk of 100, $0.05/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 of 1500, $0.06/ea
Foreverbolt Nylon Insert Lock Nut, 1/2"-13, 316 Stainless Steel, Not Graded, NL-19, 37/64 in Ht, 25 PK FB3LN1213P25
Foreverbolt

Nylon Insert Lock Nut, 1/2"-13, 316 Stainless Steel, Not Graded, NL-19, 37/64 in Ht, 25 PK

Zoro # G8040816
Mfr # FB3LN1213P25
product price: 
$56.89
/pk of 25, $2.28/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 of 50, $0.15/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 of 5, $1.78/ea
Zoro Select Lock Nut, #3-48, Nylon, Zinc Plated, 0.081 in Ht, 2000 PK 03NS
Zoro Select

Lock Nut, #3-48, Nylon, Zinc Plated, 0.081 in Ht, 2000 PK

Zoro # G2449533
Mfr # 03NS
product price: 
$108.99
/pk of 2000, $0.05/ea
Zoro Select Lock Nut, 1/4"-20, Nylon, Black Oxide, 0.225 in Ht, 2000 PK 14NSB
Zoro Select

Lock Nut, 1/4"-20, Nylon, Black Oxide, 0.225 in Ht, 2000 PK

Zoro # G2450662
Mfr # 14NSB
product price: 
$144.99
/pk of 2000, $0.07/ea
Zoro Select Lock Nut, #10-32, Nylon, Zinc Plated, 0.14 in Ht, 2000 PK 11NS
Zoro Select

Lock Nut, #10-32, Nylon, Zinc Plated, 0.14 in Ht, 2000 PK

Zoro # G2449271
Mfr # 11NS
product price: 
$86.99
/pk of 2000, $0.04/ea
Prime-Line Nylon Insert Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 25 PK 9074952
Prime-Line

Nylon Insert Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 25 PK

Zoro # G800933116
Mfr # 9074952
product price: 
$13.15
/pk of 25, $0.53/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 of 200, $1.59/ea
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: 
$84.59
/pk of 100, $0.85/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
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
Lock Nuts (10,000+ items) - Page 12
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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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