The rock drill is a kind of high effiency air leg rock drill machinery. It is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and defence project facility.
It is suitable for drilling and blasting under various of rocks at any direction angles. Blast hole dia is 34-42mm, drill hole depth is 5m. This machine may match with Model FT160BD short air leg or FT160BC long air leg.
This machine has transparent surface of FY200B oil reservior to regulate oil.

Specification of YT28
Weight: about 26kg
Length: 661mm
Cylinder dia: 80mm
Piston stroke: 60mm
Air plesssure: 0.4-0.63Mpa
Impact frequency: More than 37Hz
Air comsumtion: Less than 81L/S
Air pipe(inner dia): 25mm
Water pipe(inner dia): 13mm
Bore dia: 34-42mm
Shank dimensions(hex x length): 22x108+/-1mmxmm

Model FY200B oil reservior
Oil capacity 0.2L
Air leg FT160BD FT160BC
Length 1400mm 1800mm
Propulsion stroke 965mm 1365mm
Cylinder inner dia 65mm 65mm
Weight about 14.4kg 16.9kg