Drill rod threads: tips to avoid common problems and ...
2017-4-1u2002·u2002With proper use and handling in the field, drill rods will last longer, give you better results and ultimately lead to lower operational costs. Consider that rods typically make up 3 percent of total drilling costs. But if a rod fails prematurely or unexpectedly, it can mean a significant jump in those costs. For example, re-drilling a hole for ...
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