A
Anonymous
Apr 15, 2026
Rating: 5/5
Will reorder
Essential for my workshop. I keep several boxes of different sizes in stock now.
Description
Fast shipping from stock in Shenzhen, Jiangsu, and Tianjin warehouses. Corporate purchases welcome.
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 304 Stainless Steel |
| Finish | Black Oxide Coated |
| Head Style | Socket Cap |
| Drive Type | Hex Socket (Allen) |
| Thread Size Range | M2, M3, M4, M5, M6, M8 |
| Length Range | 10mm to 60mm |
| Standard | DIN 912 / ISO 4762 |
| Strength Grade | Class 12.9 Equivalent |
| Package Quantity | 100 Pieces per Box |
| Country of Origin | Imported |
5 reviews
A
Anonymous
Mar 06, 2026
Rating: 4/5
Good but tight
Most were perfect, but the M4 size threads were a bit tight on my nuts. Still usable.
A
Anonymous
Mar 02, 2026
Rating: 5/5
Perfect fit
Used for my 3D printer frame assembly. The black color matches the extrusions perfectly.
A
Anonymous
Feb 06, 2026
Rating: 5/5
Fast delivery
Arrived sooner than expected. Packaging was secure and nothing was bent.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Great quality
Solid bolts, black finish is even and looks professional. Used them for a custom enclosure project.
5 FAQ
Q: What key size is needed for the M5 bolts?
A: Typically, a 4mm Allen key is required for M5 socket cap screws.
Q: Are these metric or imperial measurements?
A: These are Metric sizes, ranging from M2 to M8.
Q: What is the maximum length available?
A: In this specific listing, the maximum length option is 60mm.
Q: Can I buy individual sizes or only mixed?
A: This listing is for individual size packs. Please select your specific diameter and length.
Q: Are these rust resistant for outdoor use?
A: Yes, 304 stainless offers good resistance, but the black oxide may wear over time in harsh weather.
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