M3 M4 M5 12.9 Grad Black Alloy Steel Hex Socket Cap Head Screws Bolts DIN912
Name:Hex Socket Cap Head Screw
Material :12.9 Alloy Steel
Standard:DIN912
Thread diameter:3mm（M3）/4mm（M4）/5mm（M5）
Thread length: 4mm to 100mm
Thread pitch:0.5 /0.7 /0.8
Name:Hex Socket Cap Head Screw
Material :12.9 Alloy Steel
Standard:DIN912
Thread diameter:3mm（M3）/4mm（M4）/5mm（M5）
Thread length: 4mm to 100mm
Thread pitch:0.5 /0.7 /0.8