Product Description
The rock drill is widely used for drilling in the medium-hard and hard rock( f= 8-18) . Itâ € ™ s suitable for drilling works in surface mine, quarry for boulder....

Threaded/ Tapered ( taper 7, 12degree) chisel/ cross bits are mostly used for hand-held rock drill. We make them by alloy steel by forging and select suitable tungsten carbide insert....

Weight 26 KG
All length 660MM
Air consumption d82L/ S
Drilling Frequency e40HZ
Air pipe inner Dia. 25MM
Water pipe inner Dia. 13MM
Drilling Hole Dia. 34-42MM
Drilling Depth 5M....

Weight 26kgs
Overall length 650 mm
Cylinder Dia 65mm
Piston stroke: 70mm
Operating air pressure 0.4-0.5 MPa
Impact frequency: 23HZ
Impact energy 30J
Idling speed: 200r/ min....

YT28 is a kind of high efficiency air-leg rock drill, which is mainly used in mining, tunnelling, quarrying, road construction, water conservancy construction and defence project....