Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	304 Stainless Steel / Carbon Steel
Surface Treatment	Nickel-Plated / Black Hardened
Head Style	Hex Socket Head
Drive Type	Internal Hex
Thread Type	Self-Tapping
Size Range	M1.7, M2, M2.5, M3, M4, M5, M6
Hardness	HRC 40-45 (Black Hardened)
Package Quantity	100 Pieces per Box
Application	Electronics, Machinery, Automotive
Standard	DIN 7981 / ISO 1483

5 reviews

Anonymous

Apr 07, 2026

Rating: 5/5

Great Quality

These screws are exactly as described. The black hardened ones are very strong.

Anonymous

Mar 31, 2026

Rating: 4/5

Good value

Good screws, though the box was slightly damaged during shipping.

Anonymous

Feb 22, 2026

Rating: 5/5

Highly Recommend

Best self-tapping screws I've bought online. No stripping.

Anonymous

Feb 06, 2026

Rating: 5/5

Perfect for my project

Used the M3 size for my 3D printer assembly. Fits perfectly.

Anonymous

Jan 26, 2026

Rating: 5/5

Fast Delivery

Arrived quickly and well organized in the compartment box.

5 FAQ

Q: What size hex key do I need for M4?

A: Typically, an M4 hex socket screw requires a 3mm hex key.

Q: Can these tap into plastic?

A: Yes, self-tapping screws are designed to create threads in plastic and soft metals.

Q: Do you sell these in bulk?

A: Yes, please contact us for bulk pricing on orders over 50 units.

Q: Are these suitable for outdoor use?

A: The 304 Stainless Steel options offer good corrosion resistance for outdoor applications.

Q: Is the black coating durable?

A: The black hardened coating provides good wear resistance and prevents rust.

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