This stone drill bit is engineered for rotary‑percussive use in masonry applications. The hollow‑core geometry cuts a ring‑shaped groove while evacuating debris through the centre, reducing resistance and heat during prolonged drilling cycles. Fitted with an SDS‑Plus connection, it is inserted into compatible hammer drills to transfer impact energy effectively to the cutting edge. Typical use includes creating through or deep‑set holes in natural stone, solid brick and concrete where a long‑reach tool is required; the design supports steady advancement with reduced clogging compared with solid bits. Operators will find it suited to sequential drilling tasks where maintaining tool engagement and extraction of cut material are important.