The small and powerful drill rigs from VersaDrill come with an electric or diesel power pack and separate driller control panel and are specifically designed for underground core drilling. The chuck style drill head and chuck pipe clamp with 28,000lbs (12,700kg) of clamping force, make underground drilling fast and efficient. Capable of drilling over 4,600ft (1,400m), the KmB and KmN series of underground core drills are compact and powerful and perfect for the mining and exploration industry.