More features of Joy Stoper drills

Continuous front end air blowing prevents cuttings and sludge from entering the drill fronthead.
Air flow delivers lubrication to the front of the drill, saves wear of chuck insert, chuck and piston.

End cap welded to rod

Joy drills provide higher torque for roof bolting requirements

Heavy duty control handle has control knob to adjust leg pressure.
Bleed button allows stoper to drop quickly after the hole is completed.

Exclusive flap design reduces muffler back pressure

Heavy duty backhead has rugged air and water hose connection threads.
Optional water regulating valve for conditions of high water pressure.

Piston rod is made from stainless steel for longer life.

Exclusive patented packing and rod wipers provide exceptionally long life.
Prevent scoring cylinders and piston if the leg is dented.
Stop noise transmission, acts as a buffer, to reduce shock on parts.