rotary drill

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rotary drill

[′rōd·ə·rē ′dril]
(mechanical engineering)
Any of various drill machines that rotate a rigid, tubular string of rods to which is attached a rock cutting bit, such as an oil well drilling apparatus.

rotary drill

A machine for opening holes in rock or earth by means of a cutting bit at the end of a metal shank; usually turned by a hydraulically or pneumatically driven motor.
References in periodicals archive ?
Raw Material : Rotary hammer drill this tender is floated in electronic procurement system (eps).offers to be submitted in eps only (https://bhel.abcprocure.com).
I would pick up a rotary hammer drill, grab a bit, and drive holes into concrete walls.
1500W SDS ROTARY HAMMER DRILL It can be used as a drill, hammer drill or chisel and includes a carry case, three drill bits, a dust collection cap and a three-year warranty.
The new Hilti TE 7 Rotary Hammer Drill is compact, rugged and convenient, according to the company.
This is a heavy-duty cordless rotary hammer drill with chisel action which sounds like it will make short work of any drilling tasks around the house.
JCB Rotary Hammer Drill pounds 59.99 0845 602 1381, www.jcbshop.com
MORE POWER: This 36-volt rotary hammer drill (model TE 6-A) features an electro-pneumatic hammering mechanism.
Makita's new 18V X2 LXT 1-in, rotary hammer drill combines two LXT 18-volt lithiumion batteries to achieve 36 volts.
You can rent a rotary hammer drill and bit for about $60 per day.
Tenders are invited for Electric rotary hammer drill machine (reversible)
If you have just a few areas that need work, use a hammer and cold chisel to knock out the old mortar, but for more extensive work, plan on getting a rotary hammer drill fitted with, a flat chisel to make the job go a heck of a lot quicker.