Product specification

Jobber drill HSS, DIN 338 RN, 5/16" TIN

Code: 014000159
Supplier code: NESTIM
Category: Tools for hole-machining » 1 » Jobber drills HSS » 221135
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Ø D7,938 mm
ØD5/16 inch.
L117 mm
l75 mm
Weight0,030 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, so-called two-coloured execution
Grinding ModeForm N - conical lip relief
NoteSTANDARD tools

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221135 - katalogový list

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