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DIN 6537 |
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| Manufacturing specifications |
Point grinding: 3-facet Point angle: greater than standard (150º) Helix angle: 28º, corrected to 10º at cutting lips Web thickness: greater than standard Web taper: none Flute form: standard Tolerance on diameter: h7 Oil feed: axial Shank: reinforced, with notch flat, according DIN 6537 HE, h6 tolerance Other manufacturing specifications to DIN 6540. |
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| Range of applications |
A tool for heavy duty drilling from the solid, giving precise centering and accurate hole form. Precision in size and surface finish correspond to those achieved with core drills. Centering or spotting is not normally required. Suitable for drilling cast steel, alloyed and unalloyed steels with a tensile strength up to 1000 N/mm˛. Note: In general, the speeds correspond to those of two-fluted solid carbide drills, thus the feeds, depending on conditions of application, can be increased considerably. |
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| Sketch | 
Tool material | 
Cutting direction | Surface | 
Ø-range | Series No. | |
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