Dormer B33411 0052204 expanding hand reamer, 6 flutes, N11 internal designation, High Speed Steel (HSS) construction. Designed for precision reaming of pre-drilled holes, this reamer features an expandable design for fine size adjustment. Suitable for general-purpose reaming in a wide range of materials.

Adjustable hand reamer with replaceable blades (B335) and a square drive, diameter range 31.5 - 37.0mm number 11 with an overall length of 280mm 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.