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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 7

X1 Tools 5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1622x15
X1 Tools

5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G322846659
Mfr # X1E-FAS-NUT-LOC-1622x15
product price:  $29.55
/pk 15, $1.97/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 Serrated Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 11/32 in Ht, 25 PK HFNIX037-025P
Zoro Select

Serrated Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 11/32 in Ht, 25 PK

Zoro # G0985354
Mfr # HFNIX037-025P
product price:  $11.79
/pk 25, $0.47/ea
Boltsandnuts.Com Top Lock Lock Nut, M14-2.0, Class 10, Zinc Plated, 40 PK M14FPTN10Z-40
Boltsandnuts.Com

Top Lock Lock Nut, M14-2.0, Class 10, Zinc Plated, 40 PK

Zoro # G814495082
Mfr # M14FPTN10Z-40
product price:  $46.69
/pk 40, $1.17/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1946x200
X1 Tools

1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G322856061
Mfr # X1E-FAS-NUT-LOC-1946x200
product price:  $136.99
/pk 200, $0.68/ea
X1 Tools M27 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1996x1
X1 Tools

M27 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G822857346
Mfr # X1E-FAS-NUT-LOC-1996x1
product price:  $16.99
/ea
Zoro Select External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 9/32 in Ht HFNIX031-025P
Zoro Select

External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 9/32 in Ht

Zoro # G0663896
Mfr # HFNIX031-025P
product price:  $7.19
/pk 25, $0.29/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"-8, Steel, Grade 2, Zinc Plated, 1-3/64 in Ht, 5 PK U12300.100.0001
Zoro Select

Nylon Insert Lock Nut, 1"-8, Steel, Grade 2, Zinc Plated, 1-3/64 in Ht, 5 PK

Zoro # G2805713
Mfr # U12300.100.0001
product price:  $6.89
/pk 5, $1.38/ea
Skf 12 Threads per Inch, 4-13/32 in. Outside Diameter AN 17
Skf

12 Threads per Inch, 4-13/32 in. Outside Diameter

Zoro # G412509822
Mfr # AN 17
product price:  $45.99
/ea
Florida Tools Lock Nuts Assortment Stainless Steel 304 Metric locknut 444 pcs FT444-15LNSS
Florida Tools

Lock Nuts Assortment Stainless Steel 304 Metric locknut 444 pcs

Zoro # G116288474
Mfr # FT444-15LNSS
product price:  $59.99
/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 10, $9.32/ea
Camrail Lock Nut, 3/4"-10, Steel, Grade 8, Cam Koat, 20 PK 788-74110-000
Camrail

Lock Nut, 3/4"-10, Steel, Grade 8, Cam Koat, 20 PK

Zoro # G4410314
Mfr # 788-74110-000
product price:  $98.65
/pk 20, $4.93/ea
Foreverbolt Nylon Insert Lock Nut, 3/8"-16, 316 Stainless Steel, Not Graded, NL-19, 29/64 in Ht, 50 PK FB3LN3816P50
Foreverbolt

Nylon Insert Lock Nut, 3/8"-16, 316 Stainless Steel, Not Graded, NL-19, 29/64 in Ht, 50 PK

Zoro # G8040831
Mfr # FB3LN3816P50
product price:  $51.15
/pk 50, $1.02/ea
Huyett Lock Nut, Steel, Plain N-04
Huyett

Lock Nut, Steel, Plain

Zoro # G100401148
Mfr # N-04
product price:  $2.75
/ea
Sold in mult. of 10 for $27.50
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 100, $0.69/ea
Midwest Fastener Nylon Insert Lock Nut, M14-2.00, Steel, Class 8, Yellow Zinc, 6 PK 31646
Midwest Fastener

Nylon Insert Lock Nut, M14-2.00, Steel, Class 8, Yellow Zinc, 6 PK

Zoro # G202518010
Mfr # 31646
product price:  $23.49
/pk 6, $3.91/ea
Zoro Select Serrated Lock Nut, #10-24, 316 Stainless Steel, Not Graded, Plain, 10 PK U55108.019.0001
Zoro Select

Serrated Lock Nut, #10-24, 316 Stainless Steel, Not Graded, Plain, 10 PK

Zoro # G2527528
Mfr # U55108.019.0001
product price:  $3.89
/pk 10, $0.39/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:  $4.19
/pk 100, $0.04/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
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
Una-Drive Lock Nut, 3/4"-10, Steel, Grade 5, Waxed Zinc Plated, 20 PK NT9519PB
Una-Drive

Lock Nut, 3/4"-10, Steel, Grade 5, Waxed Zinc Plated, 20 PK

Zoro # G4413866
Mfr # NT9519PB
product price:  $41.19
/pk 20, $2.06/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 50 PK 4CAL1
Zoro Select

Top Lock Distorted Thread Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 50 PK

Zoro # G2349891
Mfr # 4CAL1
product price:  $6.15
/pk 50, $0.12/ea
Zoro Select Top Lock Distorted Thread Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 50 PK U51960.019.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 50 PK

Zoro # G5512376
Mfr # U51960.019.0002
product price:  $25.15
/pk 50, $0.50/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 25, $0.23/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 100, $0.12/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
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
Foreverbolt Serrated Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, NL-19, 9/32 in Ht, 25 PK FB3FHN51618P25
Foreverbolt

Serrated Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, NL-19, 9/32 in Ht, 25 PK

Zoro # G8480486
Mfr # FB3FHN51618P25
product price:  $25.99
/pk 25, $1.04/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 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:  $25.99
/pk 50, $0.52/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, 1-1/4"-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 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:  $9.99
/pk 10, $1.00/ea
Wiska Lock Nut, M40-1.50, Stainless Steel, Not Graded 10064193
Wiska

Lock Nut, M40-1.50, Stainless Steel, Not Graded

Zoro # G7897645
Mfr # 10064193
product price:  $13.95
/ea
Pflitsch Lock Nut, M32-1.50, Nickel Plated Brass, Nickel GMM232/7PA
Pflitsch

Lock Nut, M32-1.50, Nickel Plated Brass, Nickel

Zoro # G7896543
Mfr # GMM232/7PA
product price:  $3.55
/ea
Sold in mult. of 3 for $10.65
Lock Nuts (10,000+ items) - Page 7
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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 ScrewsMachine ScrewsSocket Head Cap 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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