OEM Fender Washer Manufacturers, Factories

Nominal Bolt Size (M) Inner Diameter (d₁) min (mm) Outer Diameter (d₂) nom (mm) Thickness (s) (mm) Hardness Class Suitable Bolt Grade
M3 3.2 9 0.8 140 HV ≤ 6.8
M4 4.3 12 1 140 HV ≤ 6.8
M5 5.3 15 1 140 HV ≤ 6.8
M6 6.4 18 1.6 140 HV / 100 HV* ≤ 8.8
M8 8.4 24 2 140 HV / 100 HV* ≤ 8.8
M10 10.5 30 2 140 HV / 100 HV* ≤ 8.8
M12 13 37 2.5 140 HV / 100 HV* ≤ 8.8
M14 15 44 2.5 140 HV / 100 HV* ≤ 8.8
M16 17 50 3 100 HV ≤ 6.8
M20 21 60 3 100 HV ≤ 6.8
M24 25 72 4 100 HV ≤ 6.8
M30 31 90 4 100 HV ≤ 6.8
M36 37 110 5 100 HV ≤ 6.8

Product Description

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Bolts Nuts and Washers
PRODUCT 01

Bolts Nuts and Washers

Spring Washers
PRODUCT 02

Spring Washers

Screw Washers
PRODUCT 03

Screw Washers

Nylon Washers
PRODUCT 04

Nylon Washers

Neoprene Washers
PRODUCT 05

Neoprene Washers

Square Washers
PRODUCT 06

Square Washers

Frequently Asked Questions

Q: What is the main function of spring washers in assemblies?

Spring washers are designed to prevent fastening components from loosening under vibration. They provide constant tension to hold the joint tight and absorb shocks effectively.

Q: Why should I choose nylon washers over metal ones?

Nylon washers offer excellent electrical insulation, chemical resistance, and lightweight properties. They are ideal for applications where corrosion resistance and non-conductivity are required.

Q: What are the key applications for neoprene washers?

Neoprene washers are widely used for sealing applications. They offer superior resistance to water, oils, and weather elements, making them perfect for outdoor and plumbing installations to prevent leaks.

Q: How do square washers differ from standard round washers?

Square washers have a larger surface area than round ones, which helps distribute the load more effectively. They are commonly used in structural and timber connections to prevent damage to the mating material.

Q: Can I get customized sizes for these bolts, nuts, and washers?

Yes, standard sizes are available for various industries, and custom dimensions, thread types, and materials can be manufactured according to specific project blueprints and technical requirements.

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