Specification :

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 facility.
Product details as follows:
weight:26kg
length:661mm
cylinder diameter:80mm
stroke of piston:60mm
operating air pressure:0.4MPa—0.63MPa
impact frequency:e28Hz e35Hz e36Hz
air consumption:d52(L/s) d58(L/s) d82(L/s)
impact power:e44J e63J e70J
torque of drill rod:e15N*m e19N*m e23N*m
rotating speed of drill rod:e250r/min e260r/min e300r/min
drilling speed:e250mm/min e400mm/min e470mm/min
noise:d124dB d125dB d127dB
air pipe inner dia:25mm
water pipe inner dia:13mm
bit head diameter:¦34-42mm
drill rod tailer(the sides length of the hexagon):22*108