uxcell M4x12mm 10.9 Carbon Steel Countersunk Head Hex Socket Screw 50pcs Thread Length: 10mm/0.4"; Hex Socket Width: 2mm/0.08"; Head Size: 8x2mm/0.3"x0.08"(D*H) Drive Type: Hex Socket; Head Style: Flat Head,Countersunk Head; Material: 10.9 Carbon Steel Package Content: 50(+/-2%)pcs x Countersunk Hex Socket Screws; Product Name: Countersunk Hex Socket Screws; Thread Size: M4/0.16"(D) Weight: 63g; Main Color: Black Thread Pitch: 0.7mm; Total Length: 12mm/0.47"