A
Anonymous
Apr 07, 2026
Rating: 5/5
Great Quality
These screws are exactly as described. The black hardened ones are very strong.
Description
Nickel-Plated/304 Stainless Steel/Black Hardened Hex Socket Self-Tapping Screws Cup Head Audio Wood Screws M1.7-M6
Reviews
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
A
Anonymous
Mar 31, 2026
Rating: 4/5
Good value
Good screws, though the box was slightly damaged during shipping.
A
Anonymous
Feb 22, 2026
Rating: 5/5
Highly Recommend
Best self-tapping screws I've bought online. No stripping.
A
Anonymous
Feb 06, 2026
Rating: 5/5
Perfect for my project
Used the M3 size for my 3D printer assembly. Fits perfectly.
A
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.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
