
YFS 12.9 M2 Socket Head Screw Package
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 3mm 0.15g 40/pcs 4mm 0.21g 40/pcs 5mm 0.23g 40/pcs 6mm 0.25g 40/pcs 8mm 0.27g 40/pcs 10mm 0.31g 40/pcs 12mm 0.34g 40/pcs 14mm 0.38g 30/pcs 15mm 0.39g 30/pcs 16mm 0.42g 30/pcs 18mm 0.45g 30/pcs 20mm 0.49g 20/pcs 25mm 0.57g 15/pcs 28mm 0.62g 15/pcs Quantity may vary ±3pcs