A
Anonymous
Apr 04, 2026
Rating: 4/5
Good Product
Works as expected, slight delay in shipping but item is good.
Description
65MN Manganese 304 Stainless Steel Locking Tab Washer for Round Nuts, Six-Claw Anti-Loosening Retaining Ring GB858
Reviews
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
A
Anonymous
Mar 15, 2026
Rating: 5/5
Sturdy Build
Very happy with the steel quality and finish.
A
Anonymous
Feb 19, 2026
Rating: 5/5
Excellent Grip
These washers prevent loosening effectively under heavy vibration.
A
Anonymous
Feb 17, 2026
Rating: 5/5
Highly Recommend
Great for vibration-heavy equipment maintenance tasks.
A
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.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
