uxcell M12x45mm 10.9 Carbon Steel Countersunk Head Hex Socket Screw 5pcs Drive Type: Hex Socket; Head Style: Flat Head,Countersunk Head; Material: 10.9 Carbon Steel Package Content: 5pcs x Countersunk Hex Socket Screws; Product Name: Countersunk Hex Socket Screws; Thread Size: M12/0.47"(D) Weight: 194g; Main Color: Black; Thread Pitch: 1.75mm Total Length: 45mm/1.8"; Thread Length: 37mm/1.5" Hex Socket Width: 8mm/0.3"; Head Size: 23x8mm/0.9"x0.3"(D*H)