6,8 mm Spiralbohrer Schnellarbeitsstahl Bit HSS-4241 für Stahl, Aluminiumlegierung 1 Stück
7,71 €
Description: Material : High Speed Steel 4241Type : N Type 118 degreeBit Diameter : 6.8mm/0.27"Cutting Edge Length : 67mm/2.64"Total Length : 107mm/4.21"Weight: 21gMain color: SilverHRC: 62-63Package Content: 1pcs x Twist Drill Bit. How to Use Twist Drill BitsEnsure the left and right cutting edges of the drill are symmetrical when drilling.Observe the uniformity of the spark while drilling, adjust the pressure in time, and pay attention to the cooling of the bit.
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