5.5-in (14-cm) PDC BIT – Right Turn Supply in partnership with Smith Bits designed and manufactured line of replaceable wing PDC (polycrystalline diamond compact) hole openers bring performance and reliability to consolidated rock bores. The 5-blade design provides stable drilling and efficient material removal, making it well suited for small to mid-size HDD applications. Featuring a 2.875-in API Reg pin connection, it delivers reliable performance and consistent drilling results.