Anonymous
Apr 07, 2026
Rating: 5/5
Excellent Quality
These screws are very hard and durable.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Alloy Steel |
| Strength Grade | 12.9 |
| Drive Type | Hex Socket |
| Point Style | Flat End |
| Thread Range | M3, M4, M5, M6, M8, M10, M12 |
| Surface Finish | Black Oxide |
| Hardness | 43-49 HRC |
| Standard | DIN 913 / ISO 4026 |
| Head Type | Headless |
| Package Weight | Approx. 0.5 kg |
Anonymous
Apr 07, 2026
Rating: 5/5
Excellent Quality
These screws are very hard and durable.
Anonymous
Mar 22, 2026
Rating: 5/5
Reliable
Consistent sizing across the batch.
Anonymous
Mar 20, 2026
Rating: 5/5
High Strength
True 12.9 grade, no stripping.
Anonymous
Feb 02, 2026
Rating: 5/5
Perfect for Machinery
Used them on a CNC project. Held tight.
Anonymous
Feb 01, 2026
Rating: 5/5
Good Value
Great screws, packaging could be better.
Q: What is the return policy?
A: 30 days for unused items.
Q: What size hex key do I need?
A: Depends on screw size, chart included.
Q: Are these corrosion resistant?
A: Black oxide offers mild resistance.
Q: Do you sell in bulk?
A: Contact us for large orders.
Q: Can I use them on aluminum?
A: Yes, but watch torque.