Wholesale Lock Nuts Suppliers, Exporter

Thread Size Threads per Inch Width Across Flats (in) Nut Height (in) Grade
#4-40 40 1/4″ 3/32″ N2 / N5
#6-32 32 5/16″ 7/64″ N2 / N5
#8-32 32 11/32″ 1/8″ N2 / N5
#10-24 24 3/8″ 5/32″ N2 / N5
1/4″-20 20 7/16″ 7/32″ N2 / N5 / N8
5/16″-18 18 1/2″ 17/64″ N2 / N5 / N8
3/8″-16 16 9/16″ 21/64″ N2 / N5 / N8
7/16″-14 14 5/8″ 3/8″ N5 / N8
1/2″-13 13 3/4″ 7/16″ N5 / N8
9/16″-12 12 7/8″ 31/64″ N5 / N8
5/8″-11 11 15/16″ 35/64″ N5 / N8
3/4″-10 10 1-1/8″ 41/64″ N5 / N8
1″-8 8 1-1/2″ 55/64″ N5 / N8

Product Description

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wing nut
Product 01

wing nut

washer nut
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washer nut

hex nut
Product 03

hex nut

Crown Cap Nuts
Product 04

Crown Cap Nuts

Flange Nut
Product 05

Flange Nut

Tee Nuts
Product 06

Tee Nuts

Frequently Asked Questions

What are the main applications of a wing nut?

Wing nuts are designed for applications where frequent and rapid adjustments are needed. They feature two large metal "wings" that allow them to be easily tightened or loosened by hand without the use of tools.

When should I choose a flange nut over a standard hex nut?

Flange nuts are ideal when you need to distribute the clamping pressure over a wider surface area. The integrated wide flange acts as a built-in, non-spinning washer, making it highly effective for securing uneven or oversized holes.

What is the specific purpose of a crown cap nut?

Crown cap nuts, also known as dome nuts, feature a domed top that covers the exposed end of a bolt thread. This provides a clean aesthetic, protects the thread from environmental corrosion, and prevents injuries caused by contact with sharp exposed threads.

How do tee nuts secure joints in wood?

Tee nuts feature a threaded barrel and a flat flange with prongs or holes. They are inserted into pre-drilled holes in materials like wood or composites, where the prongs grip the surface to prevent rotation, providing a strong metal thread insert.

Why are washer nuts essential in machinery?

Washer nuts combine the fastening capability of a nut with the load-distributing properties of a washer. They help prevent surface damage to the clamped material, minimize looseness caused by vibrations, and seal the fastening area.

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