Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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sollroc offers a complete line of down-the-hole (DTH) tools.
Whether you are looking for standard or custom-made DTH tools,sollroc steps up to the task to ensure you get the right tool for the right job.
| Bit diameter | Flushing holes No.*Button Dia.mm | No.*Button Dia.mm | Weight (Kg) | ||
| mm | inch | Gauge Buttons | Front Buttons | ||
| 130 | 5 1/8'' | 2 * 20 | 7*16 | 7*14 | 15 |
1.During the down cycle or power stroke the piston reseals the bottom chamber on the piston bearing bush thus stopping the exhaust air and creating a chamber of high pressure air below the piston which forces the piston back up the hammer.
2. Lifting the hammer of the bottom of the hole allows the percussion bit to slide down the drive sub also allowing the piston to slide down the hammer and rest on the piston bearing bush. The piston strike face and the strike face of the percussion bit can now not come into contact thus allowing the free flow of high pressure air directly through the hammer without the hammer cycling.
Shipping
By Air, By Sea or By express.
Package
Ply - wooden cases + Pallet