Ø D | 9,30 mm |
L | 125 mm |
l | 81 mm |
Weight | 0,049 kg |
Helix Angle | λ = 25°÷30° |
Point angle | ε = 128° |
Material HSS Co - super high-speed steel (5%Co) (HSSE) |
Manufacturing Mode | V - 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 Treatment | without treatment |
Grinding Mode C - conical lip relief, split point - form C |
Note | STANDARD tools |
2907 - katalogový list
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