202020E

RUKO  202020E  麻花钻头, 高速钢-研磨 DIN1897, 2mm, 12mm有效, 38mm总长

The is a DIN-1897 type-N Twist Drill made of HSS Co 5 ground with golden surface and short split point. Short and stable standard drill consisting of cobalt alloyed heavy-duty high-speed steel with higher heat-resistance. It is ideally suitable for assembly work in thin-walled materials such as sheet steels, flat steels and profile steels. It is suitable for use in all handheld drilling machines. It is also suitable for applications of steel and alloyed cast steel over 900N/mm² strength, grey cast, malleable cast, high-alloyed chromium steel such as stainless and acid resistant steel.

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High security against fracture

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Right-hand cutting

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Helical point from Ø3mm with split point DIN 1412 C

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135° Point angle

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20 to 30° Helix angle

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Øh8 Tolerance