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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 3

Zoro Select Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 8, Black Oxide, 57/64 in Ht, 10 PK U12421.075.0002
Zoro Select

Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 8, Black Oxide, 57/64 in Ht, 10 PK

Zoro # G5381634
Mfr # U12421.075.0002
product price: 
$10.39
/pk 10, $1.04/ea
Zoro Select Nylon Insert Lock Nut, #10-32, Steel, Grade 2, Zinc Plated, 15/64 in Ht, 100 PK U12320.019.0002
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, #10-32, Steel, Grade 2, Zinc Plated, 15/64 in Ht, 100 PK

Zoro # G2578554
Mfr # U12320.019.0002
product price: 
$4.69
/pk 100, $0.05/ea
Zoro Select Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 17/64 in Ht, 100 PK NLI20370NTE-100P
Zoro Select

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 17/64 in Ht, 100 PK

Zoro # G2123615
Mfr # NLI20370NTE-100P
product price: 
$9.49
/pk 100, $0.09/ea
Zoro Select Nylon Insert Lock Nut, 5/8"-18, Steel, Grade 5, Zinc Plated, 10 PK U12353.062.0002
Zoro Select

Nylon Insert Lock Nut, 5/8"-18, Steel, Grade 5, Zinc Plated, 10 PK

Zoro # G5381616
Mfr # U12353.062.0002
product price: 
$14.65
/pk 10, $1.47/ea
Zoro Select Serrated Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 25 PK U51109.019.0001
Zoro Select

Serrated Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 25 PK

Zoro # G3391276
Mfr # U51109.019.0001
product price: 
$3.65
/pk 25, $0.15/ea
Zoro Select Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 5/16 in Ht, 100 PK NLI20500NTE-100P
Zoro Select

Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 5/16 in Ht, 100 PK

Zoro # G2723777
Mfr # NLI20500NTE-100P
product price: 
$13.89
/pk 100, $0.14/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 3/4"-16, Steel, Grade C, Zinc Plated, 53/64 in Ht, 10 PK U12950.075.0002
CAD Files Available
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/4"-16, Steel, Grade C, Zinc Plated, 53/64 in Ht, 10 PK

Zoro # G5360467
Mfr # U12950.075.0002
product price: 
$8.99
/pk 10, $0.90/ea
Zoro Select Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 1/4 in Ht, 100 PK NLI20310NTE-100P
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 1/4 in Ht, 100 PK

Zoro # G1352504
Mfr # NLI20310NTE-100P
product price: 
$5.39
/pk 100, $0.05/ea
Zoro Select Nylon Insert Lock Nut, M4-0.70, A4 Stainless Steel, Not Graded, Plain, 5 mm Ht, 50 PK M55730.040.0001
Zoro Select

Nylon Insert Lock Nut, M4-0.70, A4 Stainless Steel, Not Graded, Plain, 5 mm Ht, 50 PK

Zoro # G0244544
Mfr # M55730.040.0001
product price: 
$4.35
/pk 50, $0.09/ea
Zoro Select Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Yellow Zinc, 16 mm Ht, 25 PK M12350.160.0001
Zoro Select

Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Yellow Zinc, 16 mm Ht, 25 PK

Zoro # G2860868
Mfr # M12350.160.0001
product price: 
$8.29
/pk 25, $0.33/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 14 mm Ht, 10 PK 4CAL4
Zoro Select

Top Lock Distorted Thread Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 14 mm Ht, 10 PK

Zoro # G1382735
Mfr # 4CAL4
product price: 
$5.69
/pk 10, $0.57/ea
Disc-Lock Heavy Hex with Washer Lock Nut, 3/4"-10, Steel, Grade 8, Black Oxide, 20 PK DLTCN-750
CAD Files Available
Disc-Lock

Heavy Hex with Washer Lock Nut, 3/4"-10, Steel, Grade 8, Black Oxide, 20 PK

Zoro # G9594103
Mfr # DLTCN-750
product price: 
$47.45
/pk 20, $2.37/ea
Zoro Select Lock Nut, 1"-11.5, Iron, Class 150, Galvanized 783YE1
CAD Files Available
Zoro Select

Lock Nut, 1"-11.5, Iron, Class 150, Galvanized

Zoro # G305781458
Mfr # 783YE1
product price: 
$4.15
/ea
Zoro Select Nylon Insert Lock Nut, #4-40, Steel, Grade 2, Zinc Plated, 3/32 in Ht, 100 PK U12300.011.0001
Zoro Select

Nylon Insert Lock Nut, #4-40, Steel, Grade 2, Zinc Plated, 3/32 in Ht, 100 PK

Zoro # G9485192
Mfr # U12300.011.0001
product price: 
$4.19
/pk 100, $0.04/ea
Zoro Select Self Threading Lock Nut, 1/4"-20, Nylon, Grade 6, Plain, 9/32 in Ht, 25 PK 0725020SLN
Zoro Select

Self Threading Lock Nut, 1/4"-20, Nylon, Grade 6, Plain, 9/32 in Ht, 25 PK

Zoro # G3125437
Mfr # 0725020SLN
product price: 
$4.99
/pk 25, $0.20/ea
Huyett Lock Nut, 2.36", Steel, Plain N-12
Huyett

Lock Nut, 2.36", Steel, Plain

Zoro # G000401149
Mfr # N-12
product price: 
$7.79
/ea
Sold in mult. of 4 for $31.16
Zoro Select Top Lock Distorted Thread Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 13/32 in Ht, 50 PK U12100.037.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 13/32 in Ht, 50 PK

Zoro # G0319238
Mfr # U12100.037.0001
product price: 
$7.19
/pk 50, $0.14/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 10 mm Ht, 25 PK 4CAL2
Zoro Select

Top Lock Distorted Thread Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 10 mm Ht, 25 PK

Zoro # G1888372
Mfr # 4CAL2
product price: 
$6.59
/pk 25, $0.26/ea
Whittet-Higgins 18 Threads per Inch, 2-1/4 in. Outside Diameter, 1/2 in. Nominal Thickness, 1.563-18 Thread Size BH-08
Whittet-Higgins

18 Threads per Inch, 2-1/4 in. Outside Diameter, 1/2 in. Nominal Thickness, 1.563-18 Thread Size

Zoro # G112509825
Mfr # BH-08
product price: 
$21.25
/ea
Makita Lock Nut 193048-0
Makita

Lock Nut

Zoro # G3132145
Mfr # 193048-0
product price: 
$18.89
/ea
Titan Industrial Supply Lock Nut, 1/2"-13, Nylon, Grade 8 T1213NLNYZ8
Titan Industrial Supply

Lock Nut, 1/2"-13, Nylon, Grade 8

Zoro # G009116174
Mfr # T1213NLNYZ8
product price: 
$0.62
/ea
Sold in mult. of 14 for $8.68
Zoro Select External Tooth Lock Washer Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht KEPIX-10-100P
Zoro Select

External Tooth Lock Washer Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht

Zoro # G3206743
Mfr # KEPIX-10-100P
product price: 
$10.29
/pk 100, $0.10/ea
Midwest Fastener Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 100 PK 05289
Midwest Fastener

Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 100 PK

Zoro # G302526700
Mfr # 05289
product price: 
$22.45
/pk 100, $0.22/ea
Zoro Select Nylon Insert Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 5/16 in Ht, 50 PK U51705.031.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 5/16 in Ht, 50 PK

Zoro # G6074966
Mfr # U51705.031.0001
product price: 
$44.69
/pk 50, $0.89/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 3/4"-10, Steel, Grade C, Yellow Zinc, 53/64 in Ht, 10 PK U12920.075.0001
CAD Files Available
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/4"-10, Steel, Grade C, Yellow Zinc, 53/64 in Ht, 10 PK

Zoro # G5536036
Mfr # U12920.075.0001
product price: 
$8.29
/pk 10, $0.83/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M8-1.25, Steel, Class 10, Zinc Plated, 8 mm Ht, 100 PK M12910.080.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M8-1.25, Steel, Class 10, Zinc Plated, 8 mm Ht, 100 PK

Zoro # G0073845
Mfr # M12910.080.0001
product price: 
$10.19
/pk 100, $0.10/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/8"-11, Steel, Grade C, Yellow Zinc, 47/64 in Ht, 10 PK U12920.062.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/8"-11, Steel, Grade C, Yellow Zinc, 47/64 in Ht, 10 PK

Zoro # G6216944
Mfr # U12920.062.0001
product price: 
$4.45
/pk 10, $0.45/ea
Zoro Select Nylon Insert Lock Nut, 1/4"-28, 18-8 Stainless Steel, Not Graded, Plain, 13/64 in Ht, 50 PK U51422.025.0002
Zoro Select

Nylon Insert Lock Nut, 1/4"-28, 18-8 Stainless Steel, Not Graded, Plain, 13/64 in Ht, 50 PK

Zoro # G2528206
Mfr # U51422.025.0002
product price: 
$5.35
/pk 50, $0.11/ea
Midwest Fastener Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 100 PK 03651
CAD Files Available
Midwest Fastener

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 100 PK

Zoro # G302526816
Mfr # 03651
product price: 
$18.35
/pk 100, $0.18/ea
Midwest Fastener Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 5, Zinc Plated, 12 PK 31503
CAD Files Available
Midwest Fastener

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 5, Zinc Plated, 12 PK

Zoro # G002516995
Mfr # 31503
product price: 
$8.79
/pk 12, $0.73/ea
Morton Knurled Jam Nut, 5/8in-11 Thread Size, 1/2in Height, 1-3/8in Diameter KN-62
Morton

Knurled Jam Nut, 5/8in-11 Thread Size, 1/2in Height, 1-3/8in Diameter

Zoro # G715543851
Mfr # KN-62
product price: 
$7.49
/ea
Sold in mult. of 4 for $29.96
Zoro Select Lock Nut, 1-1/4"-11.5, Iron, Class 150 783Y36
CAD Files Available
Zoro Select

Lock Nut, 1-1/4"-11.5, Iron, Class 150

Zoro # G905781490
Mfr # 783Y36
product price: 
$3.69
/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/8"-18, Steel, Grade C, Yellow Zinc, 11/32 in Ht, 25 PK SLFI80621-025P
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/8"-18, Steel, Grade C, Yellow Zinc, 11/32 in Ht, 25 PK

Zoro # G0739532
Mfr # SLFI80621-025P
product price: 
$17.19
/pk 25, $0.69/ea
Zoro Select Serrated Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, Plain, 7/32 in Ht, 50 PK U51108.019.0001
CAD Files Available
Zoro Select

Serrated Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, Plain, 7/32 in Ht, 50 PK

Zoro # G3391328
Mfr # U51108.019.0001
product price: 
$9.59
/pk 50, $0.19/ea
Zoro Select Self Clinching Lock Nut, 1/4"-20, Steel, Zinc Plated, 6000 PK 14-2NCL
Zoro Select

Self Clinching Lock Nut, 1/4"-20, Steel, Zinc Plated, 6000 PK

Zoro # G2437773
Mfr # 14-2NCL
product price: 
$1,073.99
/pk 6000, $0.18/ea
Zoro Select Serrated Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 13/64 in Ht, 50 PK U51108.016.0001
CAD Files Available
Zoro Select

Serrated Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 13/64 in Ht, 50 PK

Zoro # G3391337
Mfr # U51108.016.0001
product price: 
$13.79
/pk 50, $0.28/ea
Lock Nuts (10,000+ items) - Page 3
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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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