uxcell M6x50mm Button Head Hex Socket Cap Screw Bolt Black 30pcs Drive Type: Hex Socket; Head Style: Button Head; Material: 10.9 Alloy Steel Package Content: 30pcs x Button Head Screws; Product Name: Button Head Screws Thread Size: M6x50mm/0.24"x2"(D*L); Weight: 301g Thread Pitch: 1.0mm; Total Length: 53mm/2.1" Hex Socket Width: 4mm/0.16"; Head Size: 11x3mm/0.43"x0.12"(D*H)