Material: 100% 10.9 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: 6 mm; Pitch Size: 1.0 mm, Thread Length: 20 mm, 25 mm, 30 mm, 35 mm, 40 mm. Head Diameter: 11.8 mm; Head Height: 4.9 mm; Drive Type: Allen Hex Socket 4 mm; Color: Black Oxide. Package Included: M6 x 20 mm(10PCS), M6 x 25 mm(10PCS), M6 x 30 mm(10PCS), M6 x 35 mm(10PCS), M6 x 40 mm(10PCS). 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.

Made of 10.9 Grade Alloy Steel, with a black surface oxidation treatment, these bolts are strong, durable, and have excellent wear resistance, high hardness, and high strength.

Clear Uniform pitch, obvious screw thread, no residual burrs, the screw threads will be able to get a good grip.

Screw Specification:
Thread Diameter 6 mm
Head Diameter 11.8 mm
Head Height 4.9 mm
Screw Length 20 mm, 25 mm, 30 mm, 35 mm, 40 mm
Allen Hex Drive 4 mm

Package contains:
(10PCS) M6 x 20 mm
(10PCS) M6 x 25 mm
(10PCS) M6 x 30 mm
(10PCS) M6 x 35 mm
(10PCS) M6 x 40 mm
Total: 50PCS

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.