l | 94 mm |
D | 11,7 mm |
L | 142 mm |
Note Material: HSS Co - super high-speed steel (5%Co) (HSSE)
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.
Point angle: ε = 128°
Helix Angle: λ = 25°÷30°
Grinding Mode: Form C - podbroušená kuželová plocha se zkrácením příčného břitu - typ C |
Attachment:
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