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Guhring standard |
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| Manufacturing specifications |
Point grinding: relieved cone Point angle: greater than standard (130º) Web thinned: to DIN 1412, form A Helix angle: greater than standard Web thickness: considerably greater than standard Web taper: smaller than standard Flute form: very wide flutes with special "rolled-off" heels Tolerance on diameter: h8 Other manufacturing specifications to DIN 1414. |
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| Range of applications |
A particularly robust deep hole drill especially developed for the drilling of extremely deep holes such as cooling holes in moulds, etc. Suitable for grey cast iron and steels with a tensile strength of up to 1000 N/mm˛. Not recommended for Cr-Ni steels, stainless steels and similar materials. |
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| Sketch | 
Tool material | 
Cutting direction | Surface | 
Ø-range | Series No. | |
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