Numa provides the world's leading drilling technology with over 100 DTH Hammer and Bit products serving 11 different industries. Our products are capable of drilling vertical, horizontal, and reverse circulation holes from 3½ to 50½ inches (89 - 1283 mm) in diameter in hard rock and unconsolidated formations. With customers located in 105+ countries, we have built our customer-centric reputation on providing the highest value in products, performance and personal service available in the rock drilling industry.