uxcell M6 x 55mm Threaded Hex Socket Head Cap Screw Bolt Bronze Tone 5 Pcs Drive Type: Hex Socket; Head Style: Round Head; Material: Metal Package Content: 5 x Hex Socket Cap Screws; Product Name: Hex Socket Cap Screw; Thread Size: M6 x 55mm(D*L) Weight: 56g; Surface treatment: color zinc Thread Pitch: 1mm; Total Length: 58mm/2.3" Head Size: 11 x 3mm/0.43" x 0.12"(D*T); Hex Width: 4mm/0.16"