Product specification

Jobber drill, left hand cutting HSS, DIN 340 RN, 3,9 mm

Code: 004000030
Supplier code: A250390V000S
Category: Tools for hole-machining » 1 » Long Series Straight Shank Drills HSS » 2916
more info
Ø D3,90 mm
L119 mm
l78 mm
Weight0,0080 kg
Helix Angleλ = 25°÷30°
Point angleε = 118°
MaterialHSS - high-speed steel
Usage
Efficient drills are recommended for deep-hole drilling of parts made of unalloyed steel or alloyed steel, cast steel up to 900 N/mm2, grey-, malleable- or nodular cast iron, sintered steel, Al-alloys with discontinuous chip, bronze,tough brass.
Manufacturing ModeV - ground from solid
Surface Treatmentwithout treatment
Grinding ModeN - conical lip relief
NotePROFI tools

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