5" DTH "HP" Hammer
RH50Q1HP - Uses QL5 Shank DTH Bit
RH50R1HP - Uses 350 Shank DTH Bit

Designed for drilling 5" and larger holes.

Features

- Wearsleeve is reversible.  
- The piston is the only moving part making this hammer very reliable.
- All external parts are hardened to resist wear.
- Designed for maximum penetration while using minimal fuel consumption.
- Still utilizes long proven piston design.
- All parts are made from US Certified Steel.

Download RH50Q1HP and/ or RH50R1HP Hammer Manual.

Value	English	Metric
Outside Diameter	4.53 inch	115 mm
Overall Length   (without bit)	Value	Value
RH50Q Model	47.2 inch	1199mm
RH50R Model	48.2 lbs	1222 kg
Operating Length (API shoulder to bit face)	Value	Value
RH50Q Model	47.1 inch	1196 mm
RH50R Model	48.1 inch	1222 mm
Total Weight	143 lbs	64.8 kg
Bore Size	3.71 inch	94.2 mm
Piston Weight	30 lbs	13.6 kg
Drillpipe Connection *	3 1/2 Reg API Pin up	3 1/2 Reg API Pin up
Wrench Flats	3.5 inch	88.9 mm
Hole Size Range	5 inch - 6 inch	127 mm to 152 mm
Bit Shank Required
RH50Q Model	QL5	QL5
RH50R Model	350	350
Min Air Volume Required **	150 cfm	4.5 cmm
Max Operating Pressure	500 psi	34 bar

​* Other connections available upon request
** Hammer will run on less volume but penetration rates will be       significantly slower.