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Home / Connectors and Fasteners / 304 Stainless Steel 3-Piece Assembly Screws Cup Head Hex Socket with Spring Washers M2-M12

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material 304 Stainless Steel
Head Type Hex Socket Cap
Drive Style Internal Hex
Thread Size Range M2, M3, M4, M5, M6, M8, M10, M12
Kit Components Screw + Spring Washer + Plain Washer
Surface Finish Polished
Standard Compliance DIN 912 / ISO 4762
Hardness Grade A2-70
Corrosion Resistance Suitable for Indoor & Outdoor Use
Package Weight 0.5 kg per set

5 reviews

A

Anonymous

Mar 26, 2026

Rating: 4/5

Solid hardware

Good threads, no stripping during installation. Wish there were more M6 screws in the pack.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Fast delivery

Arrived sooner than expected. The organization of the kit makes finding the right size very easy.

A

Anonymous

Feb 19, 2026

Rating: 4/5

Good value kit

Great assortment of sizes. One bag was slightly torn but the contents were intact. Would buy again.

A

Anonymous

Feb 15, 2026

Rating: 5/5

Excellent quality fasteners

These screws are exactly what I needed for my project. The stainless steel is high quality and the washers fit perfectly.

A

Anonymous

Feb 01, 2026

Rating: 5/5

Perfect for machinery repair

Used these to repair a conveyor belt mechanism. They hold up well under vibration thanks to the spring washers.

5 FAQ

Q: Are these screws metric or imperial?

A: These are metric screws, ranging from M2 to M12.

Q: Are the washers included made of the same material?

A: Yes, both the spring washers and plain washers are made of 304 Stainless Steel.

Q: What size Allen key do I need for the M6 screws?

A: You will typically need a 5mm Allen key for M6 hex socket cap screws.

Q: Can these be used in marine environments?

A: 304 Stainless Steel offers good corrosion resistance, but 316 is recommended for direct saltwater exposure.

Q: Do you offer bulk discounts for large orders?

A: Yes, please contact our sales team directly for pricing on bulk quantities over 50 kits.

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