Dormer 5986679 | MK 1 Size x 7.94mm Diameter x 58.00mm Flute Length x 138.00mm OAL 6 Flute Bright/ST Coated HSS-E B101 Chucking Reamer

Machine reamer with left hand slow spiral flutes and a Morse taper shank, diameter 7.94mm (5/16") with an overall length of 138mm and a flute length of 58mm, 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.