Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Primary Material	65Mn Manganese Steel
Alternative Material	304 Stainless Steel
Industrial Standard	GB858
Design Structure	Six-Claw Lock Ring
Hardness Rating	45-50 HRC
Surface Treatment	Black Oxide Coating
Compatible Nut Type	Metric Round Nuts
Package Quantity	100 Pieces
Net Weight	0.45 kg
Country of Origin	China

5 reviews

Anonymous

Apr 04, 2026

Rating: 4/5

Good Product

Works as expected, slight delay in shipping but item is good.

Anonymous

Mar 15, 2026

Rating: 5/5

Sturdy Build

Very happy with the steel quality and finish.

Anonymous

Feb 19, 2026

Rating: 5/5

Excellent Grip

These washers prevent loosening effectively under heavy vibration.

Anonymous

Feb 17, 2026

Rating: 5/5

Highly Recommend

Great for vibration-heavy equipment maintenance tasks.

Anonymous

Feb 16, 2026

Rating: 5/5

Perfect Fit

Matches my machinery round nuts perfectly without issues.

5 FAQ

Q: Are these lock washers reusable after removal?

A: No, replacement is recommended after removal to ensure locking effectiveness.

Q: What is the difference between 65Mn and 304 options?

A: 65Mn offers higher strength and hardness, while 304 provides better corrosion resistance.

Q: What is the warranty policy for these fasteners?

A: We offer a 30-day return policy for manufacturing defects.

Q: Is a mill test certificate included with the order?

A: Certificates are available upon request for bulk orders.

Q: Do you have this available in M20 size?

A: Yes, please select the M20 option from the size dropdown menu.

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