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 high quality step drag bit for water well drilling 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 4 wings, 3 wings step drag ...