Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Washers
Origin	-
Material	304 Stainless Steel
Standard	GB858
Type	Six-Claw Locking Washer
Surface Finish	Polished
Hardness	HRC 40-48
Corrosion Resistance	High (Suitable for Outdoor Use)
Application	Round Nuts Retaining
Package Quantity	50 Pieces per Pack
Weight	120g
Origin	Manufactured in China

6 reviews

Anonymous

Mar 29, 2026

Rating: 4/5

Solid construction

Very sturdy washers. They require a bit of force to install due to the tight grip, which is exactly what you want for safety.

Anonymous

Mar 23, 2026

Rating: 5/5

Great value for money

Bought these for a repair project. The price is very competitive compared to local hardware stores, and the quality is superior.

Anonymous

Mar 18, 2026

Rating: 5/5

Perfect fit for my machinery

These washers fit the round nuts on my lathe perfectly. The six-claw design grips well and hasn't loosened even under vibration.

Anonymous

Mar 18, 2026

Rating: 5/5

Excellent anti-loose performance

I use these on outdoor equipment. After three months of exposure to rain, there is no sign of corrosion, and the nuts stay tight.

Anonymous

Mar 14, 2026

Rating: 5/5

Fast shipping and great product

Arrived earlier than expected. The washers match the GB858 standard specifications perfectly. Will order again.

Anonymous

Mar 13, 2026

Rating: 4/5

Good quality steel

The 304 stainless steel feels durable and resists rust. I deducted one star because the packaging was a bit crushed upon arrival, but the parts are fine.

5 FAQ

Q: Are these washers compatible with metric round nuts?

A: Yes, these GB858 standard washers are designed specifically for metric round nuts commonly used in machinery.

Q: Can these be used in marine environments?

A: Since they are made of 304 Stainless Steel, they offer good corrosion resistance for marine environments, though 316 grade is recommended for constant saltwater submersion.

Q: Is this sold as a single piece or a pack?

A: This listing is for a pack of 50 pieces. If you need a different quantity, please contact us for bulk pricing options.

Q: Do I need special tools to install these?

A: No special tools are required. You can install them using a standard hammer and a punch or a specialized C-spanner wrench to bend the claws into the nut slots.

Q: What is the thickness of the washer?

A: The thickness varies by diameter according to the GB858 standard. Please check the specific size chart in the product images for exact measurements.

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