Product Name: Pneumatic Hand Hold Air Rock Drill Yo18 Model NO.: YO18 Condition: New Degree of Automation: Semi-automatic Brand: GM Pneumatic Drill Range: Mining Working Style: Rotary Type Usage: Drill Hammer Type: Air Hammer Color: Optional Trademark: FUZHOU Transport Package: Carton Origin: China Product Description Pneumatic hand hold air rock drill YO18:1. Instruction1) The rock drill is used for rock drilling, blasting holes and other drilling works in the quarries, small coal mines and other constructions.2) It's suitable for drilling of horizontal or inclined holes on the medium-hard and hard rock.3) When it's matched with air leg Model FT100, it can blast holes from different directions and angles.4) Blast hole diameter is between 36mm and 42mmWeight 18kgOverall length 550mmCylinder dia. 58mmPiston stroke 45mmAir pipe inner dia. 19mmWater pipe inner dia. 8mmShank dimensions 22× 108mmWater pressure 3.9-5.9× 105PAAir pressure ≤ 0.39 MPaAir consumptionat3.9× 105 PA <1.2m3/minImpack frequency 31.6Hz ( 1896bpm)Average speed (at 3.9× 105PA ) 80mmImpact energy(at4.9× 105PA ) 24.5JTorque(at4.9× 105PA ) 7.85N· MAirconsumption(at4.9× 105PA ) ≤ 1.35m3/minWe supply many kinds of jack hammer, rock drill, welcome to inquiry ~Jack hammer: RB777, B87C, B67C, B47C, B70, TPB-40, TPB-60, TPB-90, G10, G20, TCA-7Air leg rock drill: YT27, YT28, YT29A, YT24, YT23, YT23D, YO18, Y20, YSP45Hand hold rock drill: Y19A, Y24, Y26, TY24C,.....