Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Washers
Origin	-
Material	304/316L Stainless Steel
Standard	GB93
Type	Spring Lock Washer
Shape	Round
Finish	Polished
Feature	Thickened Anti-Loosening
Grade	2205 Duplex
Application	Industrial Machinery, Automotive, Marine
Corrosion Resistance	High (Saltwater Resistant)
Package Content	Assorted Sizes Kit

6 reviews

Anonymous

Mar 28, 2026

Rating: 4/5

Solid hardware

These washers are robust and well-made. They fit my M8 and M10 bolts perfectly. Just ensure you check the size chart carefully before ordering as they run slightly true to metric standards.

Anonymous

Mar 14, 2026

Rating: 4/5

Good value, precise sizing

The dimensions match the GB93 standard perfectly. The steel is high quality. I took off one star only because the packaging was a bit difficult to open, but the product itself is flawless.

Anonymous

Mar 13, 2026

Rating: 5/5

Excellent quality for marine use

These 316L washers are perfect for my boat engine repairs. They feel much thicker and more durable than standard hardware store options. No signs of rust after three months in saltwater exposure.

Anonymous

Mar 11, 2026

Rating: 5/5

Great for high-vibration equipment

We use these on our factory conveyor belts. The anti-loosening feature works exactly as described, reducing maintenance downtime significantly. Highly recommend for industrial applications.

Anonymous

Mar 10, 2026

Rating: 5/5

Superior thickness

You can immediately tell these are thickened compared to regular spring washers. They provide excellent tension and hold bolts securely even under heavy load. Will buy again.

Anonymous

Mar 04, 2026

Rating: 5/5

Perfect for outdoor projects

Used these for a garden trellis project exposed to rain. The 304 stainless steel finish looks great and hasn't tarnished. Very satisfied with the durability.

5 FAQ

Q: Does this kit come with a storage case?

A: The product comes in a sturdy, resealable plastic organizer box with compartments for different sizes to keep your hardware sorted.

Q: Is the material certification available?

A: Yes, we can provide a Mill Test Certificate (MTC) for bulk orders upon request. Please contact our sales team directly after purchase.

Q: Are these washers suitable for saltwater environments?

A: Yes, the 316L stainless steel variant included in this set offers superior corrosion resistance and is specifically designed for marine and saltwater applications.

Q: What is the hardness rating of these spring washers?

A: These washers are heat-treated to achieve a hardness range of 42-50 HRC, ensuring optimal spring tension and resistance to deformation.

Q: Can these be used with aluminum bolts?

A: While physically compatible, we generally recommend using stainless steel bolts with these washers to prevent galvanic corrosion. If used with aluminum, please apply an anti-seize compound.

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