Material: 100% 12.9 Grade alloy steel, and the surface is treated with black oxide. They have excellent corrosion resistance, firmness, wear resistance and low temperature resistance. Thread Diameter: 8 mm; Pitch Size: 1.25 mm, Thread Length: 30 mm, 35 mm, 40 mm, 45 mm, 50 mm. Head Diameter: 13 mm; Head Height: 8 mm; Drive Type: Allen Hex Socket 6 mm; Color: Black Oxide. Package Included: M8 x 30 mm(5PCS), M8 x 35 mm(5PCS), M8 x 40 mm(5PCS), M8 x 45 mm(5PCS), M8 x 50 mm(5PCS). Any time you need us, please contact us via email or Q&A. We will provide you with professional service and reply to you as soon as possible, you can rest assured to buy.

Material is made of 100% 12.9 Grade alloy steel.

Screw Specification:
Thread Diameter 8 mm
Head Diameter 13 mm
Head Height 8 mm
Screw Length 30 mm, 35 mm, 40 mm, 45 mm, 50 mm
Allen Hex Drive 6 mm

Package contains:
(5PCS) M8 x 30 mm
(5PCS) M8 x 35 mm
(5PCS) M8 x 40 mm
(5PCS) M8 x 45 mm
(5PCS) M8 x 50 mm
Total: 25PCS

Any time you need us, please contact us via email or Q&A. We will provide you with professional service and reply to you as soon as possible, you can rest assured to buy.