20pcs Stainless Steel Knurled Countersunk Hex Key Bolts Screws M5x30mm Product Name : Countersunk Bolts;Material : Stainless Steel;Type : M5 x 30mm Thread Dia : 5mm;Thread Length : 30mm;Head Dia : 8.5mm Fit Hex Key Size : 4mm;Head Type : Pan Head Head Socket : HexType;Color : Black Weight : 97g;Package Content : 20 xCountersunk Bolts