uxcell M4x0.7mmx8mm Stainless Steel Hex Socket Head Cap Screws Bolts 50pcs Drive Type: Hex Socket; Head Style: Socket Cap Head; Material: Stainless Steel Package Content: 50(+/-2%)pcs x Hex Socket Head Cap Screw; Product Name: Hex Socket Head Cap Screw; Thread Size: (d*L):M4x8mm/0.16"x0.3"(D*L) Weight: 72g; Fastener Type: Socket Screw; Main Color: Silver Tone Thread Pitch: 0.7mm; Total Length: 12mm/0.47"; Battery Included: No Hex Socket Width(s): 3mm/0.12"; Head Size (D*k): 7x4mm/0.28"x0.16"(D*H)