3.5" DTH "HP" Hammer
RH35R9HP - Uses 305 Shank DTH Bit

Designed for drilling 3.5" and larger holes.

Features

- Designed for blast hole drilling but certainly not limited to blast holes.                       
- 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 RH35R9HP Hammer Manual.

Value	English	Metric
Outside Diameter	3.1 inch	78.7 mm
Overall Length (without bit)	40.0 inch	1016 mm
Operating Length (API shoulder to bit face)	39.6 inch	1006 mm
Total Weight	56 lbs	25.4 kg
Bore Size	2.5 inch	63.5 mm
Piston Weight	11.7 lbs	5.31 kg
Drillpipe Connection *	2 3/8 Reg API pin up	2 3/8 Reg API pin up
Wrench Flats	2.5 inch	63.5 mm
Hole Size Range	3.5 inch - 4.25 inch	89 mm - 108 mm
Bit Shank	305	305
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.