3"- 5.5" High Quality Steel Black Reverse Circulation RC Hammers for RC Drilling Product Introduce: Reverse Circulation (RC) drilling is used to collect mineral and rock samples quickly and efficiently using a ... Read More
3.5' SRC3.5Y Gold Mining Exploration Sample Collecting RC Hammer for RC Drilling Product Introduce: RC drilling uses a dual-walled drill pipe is used to achieve circulation, with compressed air getting injected ... Read More