drill steel

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  • noun

Synonyms for drill steel

carbon steel used for rock drills and dowels


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References in periodicals archive ?
This includes bending and twisting to install bolts or lift and position drill steels, wrenches and bolts.
Never manually thread the drill steel while the drill head rotates.
The total offset of 600 ft combined with the total length of 3000 ft is considered to be the most complex directional drill steel water main in the state, if not the nation.
Atlas Copco also expanded manufacturing capacity in many locations to meet the increase in orders, and today the company announced an investment of MSEK 224 at its drill steel factory in Fagersta, Sweden.
The new Sandvik RD414 rock drill provides a 30% higher penetration rate and a longer shank and drill steel life through its advanced rock drilling technology.
Cold temperatures--the low-to-mid-20s in the day and single numbers at night--required that drill steel pipe had to be protected from drill fluid freezing and splitting the pipe," Kelly said.
3 m (14 ft) drill steel, the rig had to be almost completely dismantled so that it could be lowered down the mine's 1.
In the process of extracting the drill rods, a drilling contractor error caused 700 feet of drill steel to be lost, dropping to the bottom of the hole.
Because the V-cut requires angled drilling, the drill reach is not fully utilized and is generally around 80% of the total reach of the drill steel thus a reduced maximum pull depth.
Additional rig enhancements include a reinforced drill steel support, redesigned hose routing with three bulkheads, a new front-facing feed holder and improved access for servicing.
As the drill steel advances during cutting, so does the source of the chuck drill steel noise, while the upper source essentially remains the same.
The TTC has research projects and collaborations currently under way or recently completed in a wide range of topics, such as: directional drill steel fatigue testing; rapid ground settlement prediction for microtunneling; prediction of the long-term behavior of pipe liners; liner design for gas applications; microsensor development for pipeline assessment; impact of liner defects on flow calculations; and public bid cost data for trenchless methods.
AMS drilling and blasting supervisor, Phil Scardina, says: "The phenomenon is known as 'chatter' and is something we try to avoid at all costs, since it is very destructive for the drill steel.
To complete the drill hole, a core drilling rig has re-entered the drill hole and is currently being wedged off to avoid reverse circulation drill steel that was lost at the bottom of the reverse circulation drill hole.