Product specification

Extra long straight shank drill HSSCo, ZV 3001, DIN 1869, 3,4x265/180 GT100

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Ø D3,4 mm
L265 mm
l180 mm
Weight0,013 kg
Helix Angleλ = 35°÷40°
Point angleε = 118°
MaterialHSS – high-speed steel
Manufacturing ModeV – ground from solid
Usage
Extra long drills are recommended for deep-hole drilling by means of jig bushes of parts made of unalloyed or alloyed steel, cast steel up to 900N/mm², grey-, malleable- or modular cast iron, sintered steel etc. It is necessary to prevent from flute-stopping by frequent withdrawing the drill. It is necessary to reduce the recommended cutting conditions regarding to the insufficient supply of the cutting fluid.
Surface Treatmentwithout treatment
Grinding Mode
Form C – conical lip relief, split point - form C
NotePROFI tools

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