Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Carbon Steel
Surface Finish	Black Oxide Coating
Standard Compliance	GB858
Thread Type	Metric Coarse
Available Sizes	M10, M12–M150
Washer Design	Six-Claw Sun-Type
Hardness Rating	35HRC - 45HRC
Package Contents	Nut and Lock Washer Set
Country of Origin	China
Recommended Application	Industrial Machinery and Automotive

5 reviews

Anonymous

Apr 15, 2026

Rating: 5/5

Solid Construction

These nuts are very sturdy and the black finish looks professional. The lock washers grip well without damaging the surface.

Anonymous

Mar 09, 2026

Rating: 5/5

Exact Match

Fit my M12 bolts perfectly. The threading is clean and precise. Will order again for future projects.

Anonymous

Feb 16, 2026

Rating: 4/5

Fast Delivery

Product arrived quickly and was packaged securely. One nut was slightly scratched but still usable.

Anonymous

Feb 08, 2026

Rating: 5/5

Great Locking Feature

The claw washer works well to prevent loosening under vibration. Exactly what I needed for my equipment.

Anonymous

Jan 28, 2026

Rating: 4/5

Good but Greasy

Quality is fine but they arrived a bit oily from the manufacturing process. Cleaned them up and they work great.

5 FAQ

Q: Do you offer bulk discounts?

A: Yes, volume discounts are available for large quantity orders.

Q: Is this material stainless steel?

A: No, these are made from carbon steel with a black oxide finish.

Q: Can I order a mixed size kit?

A: Please contact our support team directly for custom mixed size orders.

Q: What is the return policy?

A: Unused items can be returned within 30 days of delivery.

Q: Are these imperial or metric sizes?

A: All sizes listed are metric standards ranging from M10 to M150.

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