Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Alloy Steel |
| Strength Grade | 12.9 |
| Drive Type | Hex Socket |
| Thread Style | Full Thread |
| Surface Finish | Black Oxide |
| Head Type | Cap Head |
| Measurement System | Metric |
| Tensile Strength | 1220 MPa |
| Hardness | HRC 39-44 |
| Package Quantity | 100 Pieces |
Anonymous
Feb 23, 2026
Rating: 5/5
High quality steel
You can feel the difference in quality compared to standard hardware store bolts. The heads do not strip easily.
Anonymous
Feb 14, 2026
Rating: 5/5
Fast shipping
Arrived quickly and well organized in the box. Will purchase again for future projects.
Anonymous
Feb 14, 2026
Rating: 5/5
Exactly as described
Needed Grade 12.9 for a high stress application. These met all specifications listed.
Anonymous
Feb 10, 2026
Rating: 5/5
Perfect for CNC projects
These screws are incredibly strong. I used them for mounting components on my CNC machine and they handled the vibration perfectly.
Anonymous
Jan 28, 2026
Rating: 4/5
Good but tight fit
Great strength, but the threads were slightly tight on some pieces. Still usable with a tap.
Q: Can I use these for outdoor applications?
A: They have mild corrosion resistance. For prolonged outdoor exposure, we recommend applying oil or grease.
Q: What hex key size is needed for the M6 bolt?
A: For the M6 size, you will typically need a 5mm hex key or Allen wrench.
Q: Do you offer discounts for large orders?
A: Yes, please select the desired quantity from the dropdown to see automated bulk pricing tiers.
Q: Are these screws made of stainless steel?
A: No, these are made of high-strength alloy steel with a black oxide finish.
Q: Is the thread pitch coarse or fine?
A: These screws feature standard coarse metric thread pitch unless noted otherwise.
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