Abracs 3 Piece Step Drill Set A set from Abracs which includes a 4-12mm, 4-20mm and 6-30mm Step Drill Bit, each with a 4mm depth on each step for accurate holes...
DART SSTF094-12 Step Drill 4-12mm Precision engineered steel bits with straight tapered cutting edges allowing for de-burring or chamfering of the hole drilled. HSS Ground flute with split point for...
