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Heavy-duty drill made of 8% cobalt material with excellent heat resistance. To drill steels with tensile strength up to 1.400 N/mm2, very hard bronze, stainless steels as well as heat and acid resistant steels.
Design characteristicsPoint grinding: cone relief pointPoint angle: 135°Web thinning: form CHelix angle: highWeb thickness: strengthenedWeb taper: strengthenedFlute form: normalTolerance of dia.: h8
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