drill steel


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drill steel

[′dril ‚stēl]
(metallurgy)
Steel with at least 0.85% carbon content made by the electric furnace process. Formerly known as crucible steel, when made by the crucible process.
References in periodicals archive ?
The component kit includes a Doofor hydraulic rock drill, a hydraulic valve block, a feed profile of anodized aluminum, carriage plate for the rock drill with sliders, drill steel guides, drill steel retainer, a durable feed chain, hydraulic feed motor and guarding for safety, as well as all other necessary casings.
NIOSH, Kennametal, and Corry Rubber research revealed that by isolating the chuck from the drill steel and the bit from the drill steel with a flexible, shock-absorbing material, the sound level is lowered considerably.
One of the major improvements in the standard is the revised requirement to better protect operators and other personnel from the entanglement hazard caused by the rotating drill steel.
a leading manufacturer of forged drill steel for use in the underground mining industry.
This improved control has led to even lower drill steel costs and increased penetration rates.
For drill rod, the McL-10H incorporates the use of heat treated chrome moly drill steel in standard four-foot lengths with threaded connectors to provide water and air flows to the drill head.
Further, the drill steel experiences less wear and long life.
The drills were built with a flaw that could cause the drill steel to whip or break unless users install a free modification kit.
An option is to use a normal hydraulic drill hammer with an automatic drill steel handling system.
The auction will include multiple quantities of Vermeer & American Auger horizontal and directional drills, mud recycling systems, trailers, International truck tractors, flatbed-mechanics-dump trucks, 1998-2000 Ford pickup trucks, cable racks, drill steel and welders.