10x Stainless Steel Knurled Countersunk Pan Head Hex Key Bolts M8x20mm Product Name : Countersunk Bolts;Material : Stainless Steel;Type : M8 x 20mm Thread Dia : 8mm;Thread Length : 20mm;Head Dia : 13mm Fit Hex Key Size : 6mm;Head Type : Pan Head Head Socket : HexType;Color : Black Weight : 126g;Package Content : 10 xCountersunk Bolts