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HSS DIN1897 short length twist drill bits
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specification
HSS DIN1897 short length twist drill bits
Standard:DIN1897
Material: HSS M42(8% Cobalt) / M35 (5% Cobalt)
Process: Fully Ground / Roll Forged
Cutting Edge: 118 degreaa General Angle/135 degreaa General Angle/Fast Drill Bits / 118 degreaa Split Point / 135 degreaa Split Point all are available for this drill bits