M5 x 30mm 12.9 Alloy Steel Hex Socket Head Cap Screws Bolt Black 30pcs Drive Type: Hex Socket; Head Style: Hex Head; Material: 12.9 Alloy Steel Package Content: 30 x Socket Head Cap Screw; Product Name: Socket Head Cap Screw; Thread Size: (DxL1)M5 x 23mm / 0.2" x 0.9"(D*L) Weight: 165g; Main Color: Black; Thread Pitch: 0.8mm Total Length: (L2) 35mm/ 1.4"; Head Size: (AxB) 8.5 x 5mm/0.3" x 0.2"(D*H) Width Across Flat (W): 4mm/ 0.16"; L Length: 30mm/ 1.2"