PDC Roof Bolt Drill Bit

42mm 50mm anchor PDC bits

We specialize in manufacturing high-performance two-wing anchor PDC bits exclusively for coal mine operations. Covering full standard sizes of 25mm,26mm, 27mm, 28mm, 29mm, 30mm, 32mm, 40mm, 42mm and 50mm, these PDC drill bits are optimized for soft and medium-hard rock drilling in underground coal mines. Featuring a symmetric two-wing structure, the bits ensure stable, deviation-free drilling and smooth cuttings removal. As a direct factory, we provide wholesale, export and customized services, fully compatible with all types of mining roof bolters for roadway anchoring support.

Underground coal mine roadway roof bolting drilling.

Side‑wall anchor cable support drilling for coal mine roadway.

Anchoring hole drilling in coal‑rock roadway & rock roadway excavation.

Underground mine rock reinforcement & collapse‑prevention support drilling.

Supporting procurement for mining contractors & coal‑mine equipment distributors.