Min. Order Reference FOB Price
50 Pieces US$5.60 / Piece
Product Description
Made with high quality of raw material through special heat treatment, especially, tungsten carbide of tapered button bits are from Boart long year, widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying. At now, we are exporting the huge qty of Q7- 33- 7 22-80, Q9 ...