Changzhou Hiboo Tools Co., Ltd

No.26 LingShan Middle Road, No.23-2 Block Tools Industrial Base, Xixiashu Town,

Changzhou City, Jiangsu Province, China

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External Cooling Drill Bit
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External Cooling Drill Bit

Classify by drill tip angle
118° tip angle: The most common tip angle, suitable for most materials.
135° tip angle: Used for harder materials such as stainless steel, it can more effectively prevent slipping.
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