Multi diameter step drill for sheet metal with, diameter range 6.0 to 30mm in steps of 2.0mm and 10mm straight shank, according to DORMER standard, HSS with standard bright finish for machining free machining steel, wrought and copper or copper alloys and polymers
Applications:
P - Steel and cast steel(steels with alloy content ? 10% and a hardness of < 45HRC) - Primary use
M - Stainless steel(corrosion resistant steels with ? 11% chromium content) - Possible use
K - Cast Iron(castings of iron and carbon alloys with > 2% carbon content) - Possible use
N - Non-ferrous metals(metals including alloys without an appreciable amount of iron) - Primary use
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