1/4 Inch-20x1-1/2 Inch Hex Socket Head Cap Screws Bolts Black 50Pcs Drive Type: Hex Socket; Head Style: Socket Cap Head; Material: 12.9 Alloy Steel Thread Length: 33mm/1.3"; Package Content: 50(+/-2%)pcs x Socket Head Cap Screws; Product Name: Socket Head Cap Screws Thread Size: 1/4"-20x1-1/2"(D*Pitch*L); Weight: 484g; Main Color: Black Thread Pitch: 20G; Total Length: 44mm/1.7"; Head Size: 9 x 6mm/0.35" x 0.24"(D*T) Hex Width: 4mm/0.16"; Length(Not Include Head): 1-1/2"