3xD 5xD HRC55 Solid Carbide Coolant Twist Drills
Material: Tungsten Steel
Coating: TiSiN , with very high surface hardness and good wear resistance.
Tolerance of end mill diameter every size: 0.000 ～ 0.050
Suitable for drilling cast iron of automobile industry and other industries.
Wave formed cutting lips provides lowered machining torque. For margin design, improves hole wall quality and accuracy.
Increased drills point strength through optimized chisel edge.
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