Reverse Circulation Drill Pipe Weights
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...
Why You Should Use 316 Stainless Steel Rods and Steer Clear of 304
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...
How to use air core bits
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...
Are urethane seals better compared to o-rings?
Harlsan > urethane seals Urethane seals in comparison to o-rings? Hard wearing urethane seals give significant production benefits & cost savings over the O-Ring system in RC drill strings and are fast becoming the standard for RC Drilling. Urethane seals in...
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