Anonymous
Apr 04, 2026
Rating: 5/5
Precise Engineering
The shoulder height consistency is impressive. Used these for a custom fixture and everything aligned perfectly without shimming.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Alloy Steel |
| Strength Grade | 12.9 |
| Surface Finish | Black Oxide |
| Drive Type | Hex Socket |
| Thread Standard | Metric ISO |
| Available Sizes | M5, M6, M8, M10, M12, M16 |
| Shoulder Design | Equal-Height & Protruding |
| Hardness | 39-44 HRC |
| Package Count | 60 Pieces Total |
| Country of Origin | Germany |
Anonymous
Apr 04, 2026
Rating: 5/5
Precise Engineering
The shoulder height consistency is impressive. Used these for a custom fixture and everything aligned perfectly without shimming.
Anonymous
Apr 01, 2026
Rating: 5/5
Industrial Grade
True 12.9 grade as advertised. No stripping on the hex sockets even at high torque settings. Will order again.
Anonymous
Mar 14, 2026
Rating: 5/5
Reliable Stop
Positioning stops work exactly as intended for our automation equipment. Very satisfied with the precision.
Anonymous
Feb 17, 2026
Rating: 5/5
Strong Hold
Used for positioning jigs in high vibration environments. They have not loosened once. True 12.9 strength.
Anonymous
Jan 31, 2026
Rating: 4/5
Good Quality
Solid screws but packaging could be better organized by size. The hardware itself is top notch.
Q: Are these screws resistant to corrosion?
A: They feature a Black Oxide finish which provides mild corrosion resistance. For harsh environments, we recommend additional coating.
Q: Is the thread pitch standard coarse or fine?
A: All screws in this set feature standard coarse thread pitch according to ISO metric standards.
Q: Can I purchase just the M8 size individually?
A: This product is sold as a complete set only. Please check our store for individual bulk packs of specific sizes.
Q: Do you offer bulk pricing for orders over 50 sets?
A: Yes, volume discounts are available. Please contact our sales team directly for a custom quote.
Q: What are the recommended torque specifications for the M10 size?
A: Torque values depend on lubrication and application. Please refer to DIN 912 standards for Grade 12.9 M10 screws.