M5x16mm 304 Stainless Steel Hex Key Bolt Socket Head Cap Screws 20pcs Drive Type: Hex Socket; Head Style: Socket Cap Head; Material: 304 Stainless Steel Package Content: 20pcs x Hex Socket Head Cap Screws; Product Name: Hex Socket Head Cap Screws; Thread Size: M5x16mm/0.2"x0.63"(D*L) Weight: 72g; Main Color: Silver Tone Thread Pitch: 0.8mm; Total Length: 21mm/0.83" Head Size: 8x5mm/0.3"x0.2"(D*H); Hex Width: 4mm/0.16"