DTH Rock Drilling Equipment | Patriot, Champion and Challenger .
· Numa is the world's leading drilling technology provider, dedied to ongoing product innovation and resultsoriented consistency. For 37 years, we've built a strong legacy of high quality, made in the USA rock drilling hammers and bits for vertical, horizontal, and reverse circulation holes 3½ to 50½ inches (89 – 1283 mm) in diameter. Products
![whatsapp](/images/whatsapp.png)