M5x20mm Stainless Steel Hex Socket Button Head Screws 50 Pcs Drive Type: Hex Socket; Head Style: Hex Head; Material: Stainless Steel Package Content: 50(+/-2%)Pcs x Button Head Screws; Product Name: Button Head Screws; Thread Size: 5x20mm/0.2"x0.8"(D*L) Weight: 163g; Fastener Type: Socket Screw; Main Color: Silver Tone Thread Pitch: 0.8mm; Hole Diameter: 3.5mm/0.14" Total Size: 10x23mm/0.4"x0.9"(Max.D*L); Head Type: Socket Button Head