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EXACT HSS Step Drill and Milling Cutter 4 12 mm in 2mm Steps
EXACT step drill and milling cutter bits are ideal for use with thin sheet metals and are extremely convenient as they enable you to drill various sized holes with the same bit.
As they are made from high speed steel they will cut faster than typical drill bits without losing their hardness or strength.
This comes in a size of 4 12mm in 2mm steps.