A
Anonymous
Apr 14, 2026
Rating: 5/5
Fast Shipping
Needed these urgently for a project. Arrived quickly and met all specs.
Description
Fast shipping from Shenzhen, Jiangsu, and Tianjin warehouses. Corporate purchases welcome.
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Alloy Steel |
| Strength Grade | 12.9 |
| Surface Finish | Black Oxide |
| Thread Type | Metric Coarse |
| Head Style | Socket Head Cap |
| Drive Type | Hex Socket (Allen) |
| Thread Coverage | Half-Threaded |
| Available Diameters | M2, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24 |
| Min Tensile Strength | 1220 MPa |
| Package Type | Protective Plastic Box |
5 reviews
A
Anonymous
Apr 06, 2026
Rating: 5/5
Excellent Quality
These bolts are exactly as described. The 12.9 grade holds up well under high tension.
A
Anonymous
Apr 04, 2026
Rating: 5/5
Reliable Supplier
I order these regularly for my workshop. Consistent quality every time.
A
Anonymous
Mar 19, 2026
Rating: 4/5
Good but packaging could be better
The bolts are great quality, but one box arrived slightly crushed. Contents were fine though.
A
Anonymous
Feb 24, 2026
Rating: 5/5
Perfect for Machinery
Used these for repairing industrial equipment. Fit perfectly and very strong.
5 FAQ
Q: Are these metric or imperial?
A: These are metric sizes ranging from M2 to M24.
Q: Is there a discount for large quantities?
A: Yes, please contact our sales team for volume pricing tiers.
Q: Do you provide material certificates?
A: Yes, mill certificates are available upon request for bulk orders.
Q: What is the standard thread pitch?
A: We supply standard coarse thread pitch unless fine thread is specified in the variant.
Q: Are these resistant to rust?
A: The black oxide finish offers mild corrosion resistance. For outdoor use, we recommend additional coating.
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