Rock Hog Drilling Products, A worldwide leader of manufacturing DTH Hammers and DTH Bits
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5" DTH "HP" Hammer
RH50Q1HP - Uses QL5 Shank DTH Bit
RH50R1HP - Uses 350 Shank DTH Bit

Designed for drilling 5" and larger holes.
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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.
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An ISO 9001: 2015 Certified Company
  • Home
  • DTH Hammers
    • 3.5" Model
    • 4" Model
    • 4.5" Model
    • 4" Reverse Circulation Models
    • 5" Model
    • 5" Reverse Circulation Models
    • 5.5" Model
    • 6" Model
    • 6.5" Models
    • 8" Models
    • Technical Info
  • DTH Bits
    • Bit Shank Styles
    • Bit Face Styles
    • Head Sizes
    • Button Styles
    • Carbo Bits
    • Technical Info
  • Drillpipe
  • Special Promotions
  • Distribution
  • About Us
  • Contact Us
  • Downloads