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Black Diamond RC Hammers

1.The reverse circulation DTH hammer provides large impact of torque and high efficiency of energy transfer while ensuring saving energy consumption.

2.It delivers high drilling efficiency due to strong capability of removing rock dust and flakes.

3.Compressed air and reverse-flow fluid medium are all transported in the sealed double-wall drilling tool, thus avoiding direct ccontact with the borehole wall and maintaining stability of the wall. The reverse circulation hammer shows unique effect to complex and leakage formations.

4.Rock sample will be carried by the fluid medium and directly go back to the ground through the center hole of the drilling tool. It will not touch the wall of borehole, ensuring high quality of ore sample with no pollution.

5.Rock dust and flakes will be cleaned and discharged to a specific position through the center hole for central disposal, which ensured a prevention of dust and pollution, leads to improve working enviroment and enhance a longer service life of drilling equipment and attendance rate. 6.The reverse circulation DTH hammer comes with simple structure that accounts for its easy maintenance and handy worn parts replacement.

RC hammer
Hammer Model Hole Range  (mm) External Diameter (mm) Weight(without bit)  mm Bit shank Working Pressure Connection Thread
RC4108 115-130 108 78 RE410 1.5-3.0 Mpa REMET 3.1/2"-4"  METZKE 3.1/2"
RC5116 120-135 116 85 RE543 1.5-3.0 Mpa REMET4"    METZKE 4"
RC5121 136-133 121 73 RE512 1.5-3.0 Mpa REMET 4"-4.1/2"  METZKE4"-4.1"
RC5126 140-152 126 95 RE5126 1.5-3.0 Mpa REMET 4.1/2"   METZKE 4.1"
RC5130 140-146 130 82 RE513 1.5-3.0 Mpa REMET 4.1/2"  METZKE 4.1"
 

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