Yt28 Air Leg Rock Drill/Yt27 Air Leg Rock Drill

=== Base Info ===

=== Description ===
YT28 Air Leg Rock DrillWeight26kgLength661mmPiston diameter80mmPiston stroke60mmAir pressure0.40.50.63MpaImpact frequency≥28≥35≥36HzAir consumption≤52≤58≤82L/sImpact energy≥44≥63≥70JRotation torque≥15≥19≥23N.mRotation≥250≥400≥470mm/minNoise≤124≤125≤127DBAir hose inner diameter25mm

Shank size22 * 108mm25 * 108Air legFT160BC(long air leg)FT160BD (short air leg)