You will need a hammer drill to work with a rock. These impressive tools can come in one hand and two hand formats and are designed to use a “hammering action” to drill through the most difficult of materi.
[pdf] Clean and replace the air filter in time. Normally every 2000 hours. Check whether the air system has any air leaks or oil leaks and shut down for maintenance when necessary. Replace the lubricating oil regularly. The lubricating oil plays a very important role in lubricating and cooling the system.
[pdf] A 5 inch (top) and 7 inch (bottom) extension. Drillbrush extensions are long, stainless steel bars with a 1/4" quickchange shaft on one side and a sliding 1/4" quickchange chuck on the other. When used with a Drillbrush, it makes the brush extend farther by increasing the length the bit. Drillbrush. .
Top: A Drillbrush being inserted into the chuck of an extension. Bottom: A Drillbrush and extension being put in the chuck of a cordless. .
Yellow Original in a 7 inch extension scrubbing a toilet basin. When using a Drillbrush extension, there’s a possibility that depending on. .
The brushes we recommend (and don’t recommend) for extension-based cleaning. Certain brushes work well with an extension, while. .
Stiff Jumbo brush on a 5 inch extension cleaning siding. There are a plethora of ways a Drillbrush extension can be used to make cleaning a breeze. Extensions can reach higher.
[pdf] 
