Purchase Qty. Reference FOB Price
10-99 piece US$120.00
100-499 piece US$80.00
500+ piece US$15.00
Product Description
Products Description 4 wings step drag bit ( 219mm ) 8 5/8'' x 3 1/2'' API for soft rock formation 3 wings step drag bits are one piece construction of alloy steel cast with tungsten carbide cutting tips and gauge sides to ensure longer life. It has 3 wings and 3 flushing holes. Compared with ...