About

About Center Rock Inc. About Center Rock Inc. Center Rock has a complete product portfolio of innovative tools and accessories to satisfy any surface or underground mining application requirement with downhole hammers & bits to drill 3.5″ (89mm) and larger blast holes. Also available exclusively from Center Rock is our Mining LP® Canister Drill, which drills 24″ (610mm) and larger boreholes in rock, for slot raises, burn holes, and utility/ventilation holes. Mining LPs® are perfectly suited to drill at any inclination from vertical to horizontal. Center Rock has a complete product portfolio of innovative tools and accessories to satisfy any surface or underground mining application requirement with downhole hammers & bits to drill 3.5″ (89mm) and larger blast holes. Also available exclusively from Center Rock is our Mining LP® Canister Drill, which drills 24″ (610mm) and larger boreholes in rock, for slot raises, burn holes, and utility/ventilation holes. Mining LPs® are perfectly suited to drill at any inclination from vertical to horizontal. Center Rock manufacturers a full line of air rock drilling tools and accessories including our DTH hammers and bits from 3.5" to 48" diameter, casing advancing under reaming systems, and are a leading global manufacturer/supplier of the CRI Standard, Reverse Circulation, HDD and Utility multi-hammer LP Canister drills. Coupled with outstanding service, CRI is a one stop rock drilling shop capable of supplying the tools for your rock drilling requirements.