M6 x 12mm Alloy Steel Hex Socket Button Head Screws Black 20 PCS Drive Type: Hex Socket; Head Style: Button Head; Material: Alloy Steel Package Content: 20 x Socket Button Head Screws; Product Name: Socket Button Head Screws; Thread Size: 6(M6) x 12mm/ 0.24" x 0.47"(D*L) Weight: 67g; Main Color: Black Total Length: 15mm/ 0.6"; Tensile Strength: 10.9 Head Diameter: 10mm/ 0.4"; Hex Key Size: 4mm/ 0.16"