DTH hammer is used for drilling holes through a wide range of rock types, the variety of which continues to extend well beyond the original conception of early blast hole drilling Down-the-Hole refers to where the hammer action occurs when compared to drifter hammers, which hammer on top of the drill.
Aug 08, The percussive devices (hammers) apply cyclical shock waves to the drill bits In the case of down the hole drills, the percussive device is placed in direct contact with the bit, and is therefore ‘down-the-hole’ Top hammer rock drills, however, apply these repeated shock waves at the top of the drill string, outside of the bore.
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DTH hammers transmit intensive impact energy with low energy loss This results in good rock breakage, high penetration rates and high productivity The equipment is designed to give optimal hole quality, reliability, and long service life, as well as the best blasting results and low total operation cost.
Find the right hammer for every project at Toolbarn, including sledge and drilling hammers from professional-grade brands like Wilton, Stanley, and Jorgensen With steel and fiberglass handle designs, handle lengths from 9 to 36 inches, and heads weights from 32 ounces to 128 ounces, the right hammer for your project is waiting at Toolbarn.