Rock Drills

Features

Model 109 - 9 lb. class

  • Clockwise rotation
  • Stop-rotation feature
  • Lightweight cast alum. handle
  • Built-in automatic oiler

Model 115 - 15 lb. class

  • Stop-rotation feature
  • Counterclockwise rotation
  • Built-in automatic oiler

Model 115 cont.

  • Latch-type retainer
  • Lightweight cast alum. handle

Model 137 - 30 lb. class

  • 4 drilling speeds
  • Replaceable piston stem bearing
  • Available wet or dry
  • Counterclockwise rotation

Model 137 cont.

  • Rubber handle grips

Model 155 - 60 lb. class

  • 3 drilling speeds
  • Replaceable piston stem bearing
  • Built-in automatic oiler
  • Available wet or dry
  • Counterclockwise rotation
  • Rubber handle grips
HHP_rock-drills
Model CHUCK SIZE
in.
BORE
in.
STROKE
in.
BPM CFM
@90psi
WEIGHT
lbs.
LENGTH
in.
AIR INLET
NPT
109 3/4 x 3-3/4
Round Slotted
1-1/4 1 3,400 19-21 9 15 3/8 female
115 7/8 x 3-¼ 1-15⁄16 1-3⁄8 2,900 32-36 19 18-3⁄8 3/8 male
137‡ 7/8 x 3-1⁄4 or 4-1⁄4
1 x 4-1⁄4
2-3⁄8 2-5⁄8 2,300 85-90 38 19-3⁄4 1/2 male
155 7/8 x 3-1⁄4 or 4-1⁄4
1 x 4-1⁄4
2-5/8 3 2,100 110-120 61 22-3⁄4 3/4 male