HSS Co5 twist drills with helical thinning special point shape and parabolic flutes for uninterrupted machining of deep holes, particularly on heat resistant steels, stainless steels and cast iron.
Technical features:
Item: 4109
Threading depth: up to 8xD
Material: HSS Co5 (5% cobalt)
Usage: for uninterrupted deep drilling – heat resistant steels, stainless steels, cast iron, titanium
Sharpening: helical thinning
Norm: DIN 340
Coating: TiAlN
Range: 1 mm – 13 mm
