uxcell M8 x 16mm Full Thread Hex Socket Cap Head Screws Bolts Black 25 Pcs Drive Type: Hex Socket; Head Style: Socket Cap Head; Material: Carbon Steel Package Content: 25 x Hex Socket Screw; Product Name: Hex Socket Screw; Thread Size: M8/0.3" Weight: 279g; Main Color: Black; Thread Pitch: 1.25mm Hex Width: 6mm/0.24"; Thread Length: 16mm/0.6" Total Size: 24 x 13mm/0.9" x 0.5"(L*Max.D); Head Thickness: 8mm/0.3"