Purchase Qty. Reference FOB Price
10-199 Pieces US$49.30
200-499 Pieces US$47.20
500+ Pieces US$42.90
Product Description
Drag bit is a common tool which used to rework operation, for drillig cement plug and sinker drilling sand bridge, salt bridge, scraping off the dirt Ir casing wall and hard wax and some mineral crystallization. Still can scraping well hole , making the wall brightand clean, it may used to drilling ...