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  7. Lock Nuts

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

Newport Fasteners Nylon Insert Lock Nut, M8-1.25, A4 Stainless Steel, Not Graded, 100 PK 970135-PR-100
Newport Fasteners

Nylon Insert Lock Nut, M8-1.25, A4 Stainless Steel, Not Graded, 100 PK

Zoro # G006331952
Mfr # 970135-PR-100
product price: 
$69.99
/pk 100, $0.70/ea
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 50, $0.48/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: 
$55.49
/pk 300, $0.18/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: 
$181.99
/pk 1000, $0.18/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: 
$59.69
/pk 200, $0.30/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 200, $0.41/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 12 mm Ht, 25 PK 4CAL3
Zoro Select

Top Lock Distorted Thread Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 12 mm Ht, 25 PK

Zoro # G2549976
Mfr # 4CAL3
product price: 
$7.89
/pk 25, $0.32/ea
Zoro Select Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 3/8 in Ht, 100 PK NLI20250NU-100P
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 3/8 in Ht, 100 PK

Zoro # G0761844
Mfr # NLI20250NU-100P
product price: 
$5.55
/pk 100, $0.06/ea
Hubbell Wiring Device-Kellems Lock Nut, M16, Nylon, 100 PK LNM16BPK100
Hubbell Wiring Device-Kellems

Lock Nut, M16, Nylon, 100 PK

Zoro # G205650311
Mfr # LNM16BPK100
product price: 
$46.95
/pk 100, $0.47/ea
Standard Locknut Bearing Lock Nut, Steel N18
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G222964842
Mfr # N18
product price: 
$44.99
/ea
Standard Locknut Bearing Lock Washers AN20
Standard Locknut

Bearing Lock Washers

Zoro # G222962909
Mfr # AN20
product price: 
$31.99
/ea
Standard Locknut Bearing Lock Nut, Steel KM24
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G122964768
Mfr # KM24
product price: 
$200.99
/ea
Zoro Select Serrated Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, Plain, 29/64 in Ht, 25 PK U51108.050.0001
Zoro Select

Serrated Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, Plain, 29/64 in Ht, 25 PK

Zoro # G3391285
Mfr # U51108.050.0001
product price: 
$16.19
/pk 25, $0.65/ea
Zoro Select Nylon Insert Lock Nut, 1-1/4"-12, Steel, Grade 8, Zinc Plated, 1 27/64 in Ht, 5 PK U12381.125.0002
Zoro Select

Nylon Insert Lock Nut, 1-1/4"-12, Steel, Grade 8, Zinc Plated, 1 27/64 in Ht, 5 PK

Zoro # G5792613
Mfr # U12381.125.0002
product price: 
$16.35
/pk 5, $3.27/ea
Zoro Select Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 18 mm Ht, 50 PK M12600.160.0001
Zoro Select

Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 18 mm Ht, 50 PK

Zoro # G1941320
Mfr # M12600.160.0001
product price: 
$26.79
/pk 50, $0.54/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M5-0.80, Steel, Class 8, Zinc Plated, 5 3/32 mm Ht, 100 PK M12858.050.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M5-0.80, Steel, Class 8, Zinc Plated, 5 3/32 mm Ht, 100 PK

Zoro # G0102630
Mfr # M12858.050.0001
product price: 
$4.39
/pk 100, $0.04/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: 
$72.79
/pk 100, $0.73/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 6, $5.26/ea
Zoro Select Conical Washer Lock Nut, #10-32, Steel, Not Graded, Zinc Plated, 13/64 in Ht, 100 PK HNCWFI-100-100BX
Zoro Select

Conical Washer Lock Nut, #10-32, Steel, Not Graded, Zinc Plated, 13/64 in Ht, 100 PK

Zoro # G2625016
Mfr # HNCWFI-100-100BX
product price: 
$28.59
/pk 100, $0.29/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: 
$162.99
/pk 5, $32.60/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: 
$1,045.99
/pk 2000, $0.52/ea
Midwest Fastener Nylon Insert Lock Nut, 5/16"-24, Steel, Black Chrome, 6 PK 34133
Midwest Fastener

Nylon Insert Lock Nut, 5/16"-24, Steel, Black Chrome, 6 PK

Zoro # G002526789
Mfr # 34133
product price: 
$13.19
/pk 6, $2.20/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: 
$169.99
/pk 20, $8.50/ea
Zoro Select Nylon Insert Lock Nut, #4-40, Steel, Grade 2, Zinc Plated, 5/64 in Ht, 100 PK NLI20-40NTM-100P
Zoro Select

Nylon Insert Lock Nut, #4-40, Steel, Grade 2, Zinc Plated, 5/64 in Ht, 100 PK

Zoro # G2471691
Mfr # NLI20-40NTM-100P
product price: 
$3.99
/pk 100, $0.04/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/8"-11, 18-8 Stainless Steel, Not Graded, Plain, 47/64 in Ht U51915.062.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/8"-11, 18-8 Stainless Steel, Not Graded, Plain, 47/64 in Ht

Zoro # G5586122
Mfr # U51915.062.0001
product price: 
$10.49
/pk 10, $1.05/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
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
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 15, $6.87/ea
Midwest Fastener Lock Nut, 3/4"-16, 18-8 Stainless Steel, Not Graded, 4 PK 77008
Midwest Fastener

Lock Nut, 3/4"-16, 18-8 Stainless Steel, Not Graded, 4 PK

Zoro # G102527983
Mfr # 77008
product price: 
$13.49
/pk 4, $3.37/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 500, $0.84/ea
Zoro Select Lock Nut, M24-3.00, Stainless Steel, Not Graded, Plain, 100 PK M24D439BA2
Zoro Select

Lock Nut, M24-3.00, Stainless Steel, Not Graded, Plain, 100 PK

Zoro # G9081845
Mfr # M24D439BA2
product price: 
$164.99
/pk 100, $1.65/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
Newport Fasteners Nylon Insert Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, 100 PK 803607-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G006331648
Mfr # 803607-PR-100
product price: 
$53.85
/pk 100, $0.54/ea
Boltsandnuts.Com Nylon Insert Lock Nut, M8-1.25, Class 8, Zinc Plated, 200 PK M8CNFN8Z-200
Boltsandnuts.Com

Nylon Insert Lock Nut, M8-1.25, Class 8, Zinc Plated, 200 PK

Zoro # G614505608
Mfr # M8CNFN8Z-200
product price: 
$73.39
/pk 200, $0.37/ea
Boltsandnuts.Com Serrated Lock Nut, 3/4"-10, Steel, Zinc Plated, 275 PK 75CSLN2Z-275
Boltsandnuts.Com

Serrated Lock Nut, 3/4"-10, Steel, Zinc Plated, 275 PK

Zoro # G514503612
Mfr # 75CSLN2Z-275
product price: 
$320.99
/pk 275, $1.17/ea
Boltsandnuts.Com Serrated Lock Nut, 5/8"-11, Steel, Zinc Plated, 75 PK 62CSLN2Z-75
Boltsandnuts.Com

Serrated Lock Nut, 5/8"-11, Steel, Zinc Plated, 75 PK

Zoro # G714502378
Mfr # 62CSLN2Z-75
product price: 
$66.35
/pk 75, $0.88/ea
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 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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