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DIN 340 |
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| Manufacturing specifications |
Point grinding: relieved cone Point angle: standard (118º) Web thinned: to DIN 1412, form A, from 14.00 mm diameter upwards Helix angle: standard Web thickness: greater than standard Web taper: standard Flute form: standard Tolerance on diameter: h8 Other manufacturing specifications to DIN 1414. |
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| Range of applications |
High heat resistant drill with wide chip space for use with drill bushings. Suitable for drilling alloyed and unalloyed steels and castings with a tensile strength over 800 N/mm˛. Particularly suitable for drilling hot and cold-rolled steels, antifriction steel, high alloyed steels as well as case hardening and heat-treatable steels. |
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| Sketch | 
Tool material | 
Cutting direction | Surface | 
Ø-range | Series No. | |
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