The standard head assembly is equipped with the landing indicationinstalled. The landing indication mustbe reset after each use by popping the ball back through the bushing. If you don’t wantto use landing indication, it must be removed or slow descent times mayresult. If options areordered, the standard head assembly is supplied and the options are shipped asseparate items. The standard headassembly replaces the landing indication when drilling in lost circulationconditions. The Dry Hole Valve Kit isrecommended when drilling over 150m(500ft).

Thehead assembly is used to connect to the inner tubes and get the core from thebottom of the hole. It can get thecomplete core from the bottom and has high efficiency and successful coreefficiency.

We are a primary head assembly manufacturer and supplier in China. To meet customers’ various requirements, weprovide a variety of diamond drilling tools,including universal water swivels, impregnateddiamond core drill bits, drill rods, and more.Our products are in accordance with Swedish and DCDMA standards,allowing our customers to feel secure in their purchase.

If you are interested in any of our drilling tools, please feelfree to contact us. We look forward toworking with you.