item name: YT29A Hand hold air leg rock drill

Features: light weight>high torgue>very reliable&resistant to wear>large sliding face>high impact energy>good penetration in hard&soft rock>low spare parts consumption.

Specification:

Weight                               26kg

Dimensions                        659*248*205mm

Cylinder dia.                      82mm

Stroke of piston                 60mm

Working pressure               0.40~0.63Mpa

Impact energy                    ≥70J (0.5Mpa)

Air consumption                ≤65L/S (0.5Mpa)

Impact frequency               ≥37Hz  (0.5Mpa)

Air pipe inner dia.              25mm

Water pipe inner dia.          13mm

Rock drill hole dia.             34~45mm

Rock drill hole depth           5m

Shank size                          22*108mm