China supply WTFTOOLS carbide tungsten steel inner coolant drilling bit
USD $8 - $58 /Piece
Min.Order:5 Pieces
Changzhou WeitefuTools Co., Ltd.
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manufacturer WTFTOOLS tungsten carbide drilling bit for copper and aluminum
China Manufacturer WTFTOOLS carbide tungsten steel inner coolant drilling bit。
The standard inner coolant drill bit and non-standard internal cooling drilling bit can be manufactured directly by WTFTOOLS, with high precision, fast rotation speed, large feed and long life.