uxcell M3x5mm Button Head Hex Socket Cap Screw Bolt Black 100pcs Drive Type: Hex Socket; Head Style: Button Head; Material: 10.9 Alloy Steel Package Content: 100(+/-2%)pcs x Button Head Screws; Product Name: Button Head Screws Thread Size: M3x5mm/0.12"x0.2"(D*L); Weight: 43g Thread Pitch: 0.5mm; Total Length: 6.5mm/0.26" Hex Socket Width: 2mm/0.08"; Head Size: 5x1.5mm/0.2"x0.06"(D*H)