YFS is praised by the industry for its excellent internal quality and appearance-black gold steel.
Grade 12.9 screws refer to ultra-high-strength screws made of SCM435 alloy steel with a small tensile strength of 1220 MPa and a hardness of 39-44 HRC. It is mainly used in the textile, hydraulic, injection, and machinery industries, and most of the manufacturers are Taiwan-funded enterprises.
It is the best choice for FPV drone.
Length |
Weight (pcs) |
Includes |
4mm |
0.2g |
30/pcs |
5mm |
0.22g |
30/pcs |
6mm |
0.24g |
30/pcs |
8mm |
0.27g |
30/pcs |
10mm |
0.35g |
30/pcs |
12mm |
0.44g |
30/pcs |
14mm |
0.5g |
30/pcs |
Quantity may vary ±3pcs