YO18 hand held rock drill

Weight 18kg
Overall length 550mm
Diameter of cylinder 58mm
Piston stroke 45mm
Inner diameter of air pipe 19mm
Inner diameter of water pipe 8mm
Specification of bit shank 22×108mm
Service air pressure 3.9-5.9 × 105 Pa (4-6 kgf/m2)
Service water pressure 3.9-5.9 × 105 Pa (4-6 kgf/m2)
Storage capacity 200ml
YO18 hand held rock drill