YT29A Air-leg Rock Drill is a heavy type rock drill, it have high efficiency and low air pressure advantage. It is mainly used railway construction, road construction and water conservancy construction, also is for various of drilling work for the metallurgy and coal mines.

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