Product specification

Jobber drill HSS, CSN 221121, DIN 338, 2,20 mm

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Ø D2,20 mm
L53 mm
l27 mm
Weight0,0009 kg
Helix Angleλ = 25°÷30°
Point angleε = 118°
MaterialHSS – high-speed steel
Manufacturing ModeT – rollforged or extruded
Usage
Efficient drills are recommended for drilling of parts made of unalloyed steel or alloyed steel, cast steel up to 900 N/mm², grey-, malleable- or modular cast iron, sintered steel, Al-alloys with discontinuous chip, bronze.
Surface Treatment
black oxide coated or steam tempered
Grinding ModeForm N - conical lip relief
NoteSTANDARD tools

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