4mm to 42mm (4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42)
10mm shank.
Excellent quality.
Cut clean neat accurate holes in sheet steel, aluminium, wood and GRP (Not stainless).
Note: A little light oil will make a cleaner cut and prolong the life of the cutting edge.
USE VERY SLOW DRILL SPEED FOR LARGER DIAMETERS.
Weight 335 gms
STEPPED HOLE CUTTER METRIC 4mm to 42mm #STEP442