DTH Button Bit - Down-The-Hole Rock Drill Bit for Mining and Quarrying The DTH Button Bit is a high-performance down-the-hole rock drilling tool designed for efficient drilling in hard and abrasive rock formations. Manufactured with a durable alloy steel body and tungsten carbide buttons, the DTH drill bit provides reliable penetration, wear resistance, and long service life in demanding drilling conditions. Designed for use with DTH hammers, this button bit is suitable for