pneumatic drilling

pneumatic drilling

[nu̇′mad·ik ′dril·iŋ]
(mechanical engineering)
Drilling a hole when using air or gas in lieu of conventional drilling fluid as the circulating medium; an adaptation of rotary drilling.
References in periodicals archive ?
Tenders are invited for Pneumatic Drilling Machine Free Speed 2500Rpm Plus/Minus 10 Percent Pistol Grip Body,Drilling Capacity In Steel 10Mm 3/8 Spindle Offset 25 Mm Length With Chuck 194Mm,Weight With Chuck 1.
The company plans to establish small scale mining utilising handheld pneumatic drilling equipment.
Agreements concerning the delivery of a large number of hydraulic and pneumatic drilling rigs and Wagner LHD loading equipment have been signed in Moscow between Atlas Copco, the Atlas Copco company Wagner Mining and Construction Equipment Co.
The data base includes - but is not limited to - low altitude magnetic surveys of the entire region, local gravimetric surveys, bedrock surface sampling by pneumatic drilling, geologic mapping, cross sections of previous mining areas, and mine records.
Limited Tenders are invited for Procurement Of Pneumatic Drilling Machine Streight
Tenders are invited for Heavy Duty Pneumatic Drilling Machine Of Model Iam - 27 H Of Iam/ Cp 1820R32 Of Chicago Pneumatic/ Ce 1079 Of Compair/ Equivalent Model In Ingersoll Rand Make With Warranty.
Tenders are invited for Drill Chuck Size-13 Mm With Key Suitable For Cp Make 13 Mm Pneumatic Drilling Machine - Model-Cp-9286.
Tenders are invited for Drill Chuck Size-6Mm With Key Suitable For Cp Make 6 Mm Pneumatic Drilling Machine, Model- Cp7300.
Tenders are invited for Set Of Spares For Pneumatic Drilling Machine.
Tenders are invited for Portable Type Pneumatic Drilling Machine - Drilling Capacity 22 Mm, Free Speed 350 Rpm, Spindle Offset 34.
Tenders are invited for Pneumatic Drilling Machine 3/8 Inch 10Mm Sped:2200 Rmp,Pistol Grip Body,Weight With Chuck 1.