Product specification

Jobber drill HSS, CSN 221121, DIN 338, 6,90 mm

Code: 001300060
Supplier code: A210690T161S
Category: Tools for hole-machining » 1 » Jobber drills HSS » Jobber Drills DIN 338 RN
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Ø D6,90 mm
L109 mm
l69 mm
Weight0,02 kg
Helix Angleλ = 25°÷30°
Point angleε = 118°
MaterialHSS – high-speed steel
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.
Manufacturing ModeT – rollforged or extruded
Surface Treatment
black oxide coated or steam tempered
Grinding ModeForm N - conical lip relief
NoteSTANDARD tools

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