1/4 in Carbide Bur, 1855 Single-Cut Spiral Bur Set , 1/4"x1/4" Hardened Steel Shank.1/4 in, Number of Pieces 8, Trade Number SA-1, SC-1, SD-1, SE-1, SF-1, SG-1, SL-1, SM-2, Coating Bright (Uncoated), Head Dia.
Thread Length 1 1/8 in, Head Height 9/32 in, Head Width 5/8 in, Package Quantity 10 Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Armor Coat, Dia.