PDC Four Wings Concave Drill Bit, Non Coring Bit for Well Drilling

PDC Four Wings Concave Drill Bit, Non Coring Bit for Well Drilling

About Products

ZuanLong PDC concave drill bit is mainly used for drilling soft-medium formation, such as mud shone, limestone, shale, sandstone and granite etc, it has been wildly used to penetrate the degassing hole, drain hole and grouting hole of coal mine, water, road construction, bridge and building.

Difference between three wings and four wings concave drill bits:

The three wings normal type concave drill bits suits for f<=8, the reinforced type suites for f<=12

The four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15

Note: Customization are available

Certification:

Welcome to buy the highly precise and high-quality pdc four wings concave drill bit, non coring bit for well drilling for sale at the best price from our company - ZUANLONG, one of the largest manufacturers and suppliers in China. With the aid of advanced technology, we have various sizes of products at your choices.