
M3 x 8mm Set Screw Concave End Black Alloy Steel 12.9 Grade
Prices updated: 14 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
UGE | M3 x 8mm Set screw Concave End Black 12.9 grade alloy Steel | 1.5 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 1.5 EGP
About this product
A black M3 x 8 mm set screw (grub screw) with a concave end, made from alloy steel in grade 12.9. It locks a part onto a shaft or inside a hole, and is used in 3D printer, CNC and mechanical assemblies that need a compact fastener.
Specifications
- Thread
- M3
- Length
- 8 mm
- End type
- Concave end
- Material
- Alloy steel
- Strength grade
- 12.9
- Finish
- Black
Frequently asked questions
What is the price of M3 x 8mm Set Screw Concave End Black Alloy Steel 12.9 Grade in Egypt?
M3 x 8mm Set Screw Concave End Black Alloy Steel 12.9 Grade currently costs 1.5 EGP in Egypt.
Where can I buy M3 x 8mm Set Screw Concave End Black Alloy Steel 12.9 Grade in Egypt?
M3 x 8mm Set Screw Concave End Black Alloy Steel 12.9 Grade is available from UGE. Compare the offers above to find the best price.
What thread pitch is it?
M3 set screws use the standard coarse pitch of 0.5 mm, so they fit M3 x 0.5 tapped holes.
Can I over-tighten a 12.9 grade screw in soft parts?
Be careful. Grade 12.9 is high strength, so over-tightening it into soft materials such as thin aluminium or plastic can strip the threads or deform the part. Tighten until the part is held firmly, without forcing it.






