Material is made of high quality 10.9 Grade alloy steel.
Screw Specification:
Thread Diameter 3 mm
Head Diameter 5.4 mm
Head Height 1.4 mm
Screw Length 20 mm, 25 mm, 30 mm, 35 mm, 40 mm
Allen Hex Drive 2.02 mm
Package contains:
(20PCS) M3 x 20mm
(20PCS) M3 x 25mm
(20PCS) M3 x 30mm
(20PCS) M3 x 35mm
(20PCS) M3 x 40mm
Total: 100PCS
If you are not satisfied, please feel free to contact us, timely refund or replacement, we will provide professional service, please rest assured to buy.