Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw

High quality: It is made of high quality 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: 5mm; Thread Length: 20mm; Total Length: 25mm; Pitch Size: 0.8mm. – strong Specification: /strong br / Thread Diameter 5 mm br / Head Diameter 8.5 mm br / Head Height 5 mm br / Screw Length 20 mm br / Allen Hex Drive 4 mm br / High Quality Material 12.9 Grade Alloy Steel – strong Package Included: /strong br / 50 PCS Socket Head Cap Bolts/Screws (M5 x 20mm)