20xStainless Steel Countersunk Hex Socket Knurled Bolt Screw M5 x 12mm Product Name : Countersunk Bolts;Material : Metal;Type : M5 x 12mm Thread Dia : 5mm;Thread Length : 12mm;Head Dia : 8mm Fit Hex Key Size : 4mm;Head Type : Pan Head Head Socket : HexType;Color : Black Weight : 63g;Package Content : 20 xCountersunk Bolts