TMC3040 High Speed Steel Step Drill 30 To 40mm
Trepanning action multicut step drill for drilling holes up to 4mm thick in most materials and incorporating popular diameters for PG, Conduit, BS Pipe and Automotive fittings.
Size range. 30 to 40mm.
Max. Material Thickness. 4mm.
Shank to fit chuck size : 13mm.
When drilling metals always use a coolant.