High Speed Steel Step Drills
STEP DRILLS are used for cutting varying hole sizes in material up to 4mm thick without changing the drill bit. Each drill cuts parallel holes within a
specific size range, rising in 2mm increments.
Made from HSS ( High Speed Steel ).
Set of 3 consisting 1 of each 4-14mm , 6-20mm , 16-30mm.
Supplied in a metal case.