B01G6P1N30 Drive Type: Hex Socket; Head Style: Hex Head; Material: 12.9 Alloy Steel Product Name: Socket Head Cap Screw; Thread Size: (dxL)M4 x 10mm/ 0.16" x 0.4"(D*L) Main Color: Black Thread Pitch: 0.7mm; Total Length: (L1) 14mm/ 0.55" Head Size: (Dxk) 7 x 4mm/0.28" x 0.16"(D*H); Width Across Flat (s): 3mm/0.12"