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Home / Connectors and Fasteners / Stainless Steel 304 Hex Socket Cap Head Screws Bolts Extended Screws M3 M4 M5 M6 M8 M10

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material 304 Stainless Steel
Head Type Hex Socket Cap
Drive Style Internal Hex
Thread Standard Metric ISO
Size Range M3, M4, M5, M6, M8, M10
Thread Pitch Standard Coarse
Strength Grade A2-70
Surface Finish Plain Polished
Package Type Resealable Plastic Bag
Typical Use Machinery, Electronics, Automotive

5 reviews

A

Anonymous

Mar 08, 2026

Rating: 4/5

Good but Tight

Overall good quality. One size was slightly hard to turn into the tapped hole, but usable.

A

Anonymous

Mar 03, 2026

Rating: 5/5

Exact Specs

Threads matched perfectly with my existing nuts. Great quality stainless steel.

A

Anonymous

Mar 01, 2026

Rating: 5/5

Solid Hardware

Used these for my CNC enclosure build. The threads are clean and the heads did not strip under torque.

A

Anonymous

Feb 16, 2026

Rating: 5/5

Bulk Buy Win

Perfect for workshop stock. Always good to have these sizes on hand for repairs.

A

Anonymous

Feb 12, 2026

Rating: 5/5

Great for Marine

No rust after months of exposure in a humid environment. Highly recommend for outdoor projects.

5 FAQ

Q: Do you stock these in M12 size?

A: Please check our store page for larger sizes, as this listing covers M3 to M10.

Q: What hex key size is needed for the M5 screws?

A: You will need a 4mm Hex Key for the M5 size.

Q: Is the thread length full or partial?

A: These feature a full thread design suitable for various clamping applications.

Q: Can I use these with aluminum parts?

A: Yes, but we recommend using an anti-seize compound to prevent galvanic corrosion.

Q: Are these screws magnetic?

A: 304 Stainless Steel is generally non-magnetic, though slight magnetism may occur due to cold working.

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