Dormer B3349 0052297 expanding hand reamer with 5 flutes, HSS construction, and N9 internal designation. Designed for precision reaming of pre-drilled holes, this reamer provides accurate sizing and smooth finish in a variety of materials. Suitable for manual reaming applications where controlled expansion is required.

Adjustable hand reamer with replaceable blades (B335) and a square drive, diameter range 24.0 - 27.5mm number 9 with an overall length of 218mm and long replaceable blades with 18mm taper lead, according to DORMER standard for light duty sizing of uninterrupted holes, HSS with bright finish for machining free machining, plain carbon and alloy steel, grey and malleable cast-iron, wrought and cast aluminium and copper or copper alloys.