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DIN ASME fully ground milled roll forged hss drill bits
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DIN ASME fully ground milled roll forged hss drill bits
Standard:DIN338 / DIN340 / DIN1897 / DIN1869 / ASME / Extra Length
Material: HSS M42(8% Cobalt) / M35 (5% Cobalt) / M2 / W4
Process: Fully Ground / Roll Forged / Milled
Cutting Edge: 118° General Angle / 135° General Angle / Fast Drill Bits / 118 ° Split Point / 135 ° Split Point
The twist drill bits are drill bits manufacturer in China directly, contains high performence with low cost.