Ø D | 4,4 mm |
L | 235 mm |
l | 160 mm |
Weight | 0,014 kg |
Helix Angle | λ = 25°÷30° |
Point angle | ε = 118° |
Material | HSS - high-speed steel |
Manufacturing Mode | V - 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 900 N/mm2, grey-, malleable- or nodular 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 Treatment | without treatment |
Grinding Mode C - conical lip relief, split point - form C |
Note | PROFI tools |
ZV 3001 - katalogový list
ZV 3001 - Řezné podmínky
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