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> Step cone drill bit hole cutter 4-12MM 4-20MM & 4-32MM
Step cone drill bit hole cutter 4-12MM 4-20MM & 4-32MM
Step Cone Drill Bit Hole Cutter 4-12mm 4-20mm & 4-32mm.
step2.jpg picture by gingernuts-2008
PLEASE NOTE PICTURE ABOVE SHOWS ROUND SHANK BUT THIS LISTING IS FOR 1/4" HEX SHANK
No.1. 4-12mm Hole Sizes in 2mm Steps (5 steps)
No.2. 4-20mm Hole Sizes in 2mm Steps (9 steps)
No.3. 4-32mm Hole Sizes in 2mm Steps (15 steps)
