Harlsan > Drilling Program Drilling Program – Exploration Reverse Circulation is used in drilling programs for initial exploration & also for resource definition. There are two types of RC drilling. One is RC with hammer, used in medium and hard rock that...
Harlsan > 2019 > June The Harlsan Industries 4½” drill rod weld has been independently certified to the highly regarded AS1210 – 2010 Class 1 pressure vessel rating by certifying body Exceed Consulting. The Harlsan Industries 4½” drill rod weld has been...
Harlsan Reverse Circulation Drill Pipe Size & Weights Need to work out the weight of your drill rod or drill string? Use our tools. When it comes to dealing with Harlsan, and our products, we always strive to make it as easy as possible for you. In recent months...
Harlsan > 2019 > April 304 vs 316 Stainless Steel The Difference Between 316 Stainless Steel Rods and 304. Did you know that if your RC drill rig is currently equipped with 304 stainless steel drill rods there’s a good chance your client’s hole survey is going...
Harlsan > News The efficiency of an air core drilling program in certain ground strata can be improved with the right equipment and people. In some instances the drilling can be carried out with a faster drilling rate by using an air core bit. The alternate is...
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