Integrated ring bit systems, divided into small and large designs, are designed for drilling end-bearing piles through overburden into bedrock. The system can drill straight and inclined piles through boulders and rock layers and it easily manages situations where …

MEGABIT Concentric Casing System Ring Bit is the latest new and simple product line designed and manufactured by OCMA DrillTech for drilling through overburden with casing.

Numa’s Impact Ring Bit System® provides outstanding performance for simultaneously drilling and casing in horizontal boring applications using track-mounted boring machines.

Drill through ring bit system combines a conventional rock bit into a casing advance system. In projects where rock sockets are needed and the foundations are deep, it can save time when there is no need to change the pilot bit with a rock bit.

Numa’s Casing Ring Bit System is the best method for simultaneous drilling and casing into bedrock. The system is capable of drilling 16″ to 48″ (406 – 1219 mm) diameter holes in both overburden and hard rock conditions using conventional or reverse circulation DTH hammers.

The Underreamer Concentric is a ring bit system to underream for casing installation. Ideal for overburden conditions, it requires less torque than other types and least likely to get stuck. Drill and Case simultaneously, leaving only the ring in the hole.

Solitary ring bit system is designed for drilling end-bearing piles through overburden into bedrock. The system can drill straight and inclined piles through boulders and rock layers and it easily manages situations where the bedrock itself is inclined.

Tri-Mach’s DTH casing systems (Down-The-Hole) and ring bit technology ensure secure and precise casing advancement for demanding construction and foundation drilling projects.

DTH-Casing Ring Bit Systems SOLITARY and INTEGRATED RING BIT options. More than 20 years experience in designing and manufacturing state-of-the-art DTH-drilling tools for casing drilling and advancement. Casing Dimension Range: 219mm – 1524mm

The system is available from 114 to 1 524 mm casings and for all major shank designs. It uses Spiral Flush technology, offering class-leading safety in overburden drilling. Download the pdf data sheet for detailed information and measurements.