Purchase Qty. Reference FOB Price
20-99 Pieces US$6.00
100+ Pieces US$4.90
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 ...