Product specification

Cobalt jobber drill HSSCo, DIN 338 RN, 8,9 mm

Code: 020000037
Supplier code: A270890V400S
Category: Tools for hole-machining » 1 » Jobber drills HSS » Cobalt Jobber Drills HSSCo5, DIN 338 RN
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Ø D8,90 mm
L125 mm
l81 mm
Weight0,042 kg
Helix Angleλ = 25°÷30°
Point angleε = 128°
Material
HSS Co - super high-speed steel (5%Co) (HSSE)
Manufacturing ModeV - ground from solid
Usage
High-efficient drills with the higher thermal stress resistance are recommended for drilling of parts made of hard-tomachine materials, alloyed steel and cast steel, especially for drilling of cold- or hot-work tool steel, rolls for rolling mills, heat-treatable or carburizing steel, stainless steel.
Surface Treatmentwithout treatment
Grinding Mode
C - conical lip relief, split point - form C
NoteSTANDARD tools

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