Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Carbon Steel
Strength Grade	8.8
Standard	GB97
Surface Finish	Black Oxide
Washer Type	Enlarged Flat
Size Range	M2 to M45
Hardness	22-32 HRC
Design	Thickened
Package Weight	1 kg per box
Application	Machinery and Construction

5 reviews

Anonymous

Apr 21, 2026

Rating: 5/5

Perfect for my project

These washers fit perfectly on my M8 bolts. Very sturdy and the black finish looks professional.

Anonymous

Mar 27, 2026

Rating: 5/5

Fast shipping

Great product and arrived sooner than expected. Will order more sizes.

Anonymous

Mar 04, 2026

Rating: 4/5

Solid washers

Good value for money. The enlarged size provides better load distribution.

Anonymous

Feb 14, 2026

Rating: 4/5

Good quality, slight oil residue

Quality is high but they arrived a bit oily. Cleaned them easily before use.

Anonymous

Feb 10, 2026

Rating: 5/5

Heavy duty as described

Exactly what I needed for heavy machinery assembly. No bending under pressure.

5 FAQ

Q: Can I use these outdoors?

A: They have coating but we recommend indoor use or additional protection for harsh environments.

Q: Is bulk pricing available?

A: Yes, contact us for orders over 10kg for discounted rates.

Q: What is the outer diameter?

A: It varies by size, please check the spec sheet for detailed dimensions.

Q: Do you have M10 size?

A: Yes, we stock all sizes from M2 to M45 including M10.

Q: Are these stainless steel?

A: No, these are carbon steel with black oxide coating for durability.

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