Harlsan > Drilling Program Drilling Program – Grade Control Reverse Circulation is the most commonly used drilling method for grade control in open pit mining operations. Grade control is used to define the ore grades and ore blocks in the pit and also...
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 How Underground RC Drilling Turned Around a Gold Mine Using underground reverse circulation (RC) drilling at underground operations is a relatively new technique in the mining industry In Australia, diamond drilling is synonymous with underground (UG) mining....
Harlsan PRODUCT UPDATE – DRILL ROD ROBOT WELD, CLASS 1 PRESSURE VESSEL RATING Our 4½” drill rods are now certified at the Class 1 pressure vessel rating (AS1210 – 2010) for weld quality. HARLSAN PRESSURE VESSEL RATING 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...
Youtube
LinkedIn
Facebook
Instagram