Rock Hog Drilling Products, A worldwide leader of manufacturing DTH Hammers and DTH Bits
  • 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

Reverse Circulation (RC) Hammer
RH5RC11- 4 1/2" Metzke box up thread connection
RH5RC12- 4 1/2" Remet box up thread connection
RH5RC13 - 4 1/2" Matrix box up thread connection

Picture
Download RC Hammer Manual.
Value
English
Metric
Outside Diameter
4.73 inch
120.1 mm
Overall Length (without bit)
51 inch
1295 mm
Total Weight
150 lbs
68 kg
Bore Size
3.87 inch
98.3 mm
Piston Weight
28 lbs
12.7 kg
Drillpipe Connection
4 1/2 inch Remet
4 1/2 inch Metzke
​4 1/2 inch Matrix
4 1/2 inch Remet
4 1/2 inch Metzke
​4 1/2 inch Matrix
Wrench Flats
3.95 inch
100.3 mm
Hole Size Range
5 1/4 inch - 5 3/4 inch
133.4 mm - 146 mm
Bit Shank Required
R50
R50
Min Air Volume Required *
750 cfm
21 cmm
Max Operating Pressure
500 psi
34 bar
* Hammer will run on less volume but penetration rates will be significantly slower.
Features
  • 1 piece sample tube that pulls out from the top.  The hammer does not need to be disassembled to replace the tube.  Just disconnect the drill pipe and pull.
  • Sample tube's material and heat treat are designed for give maximum service life.
  • Piston cycle produces high penetration rates.
  • The Wear Sleeve is reversible.
  • Bit shrouds are easily replaced when changing bits and lock onto and rotate with the chuck.
  • The shroud aids in producing and excellent sample with minimal contamination.
  • Unique design makes the hammer easy to maintain and service.
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