Dormer 5986437 | 0.5" Diameter x 5.9843" OAL Bright/ST Coated Chucking Reamer

Machine reamer with left hand slow spiral flutes and a cylindrical shank, diameter 12.70mm (1/2") with an overall length of 152mm and a flute length of 76mm, according to BS 328 standard for reaming precise holes within H7 tolerance, cobalt based HSS-E with bright-steam tempered finish for machining free machining, plain carbon and alloy steel, grey and malleable cast-iron, wrought and cast aluminium and copper or copper alloys.