Tapered Drill Rods (Forged Collar Tapper Rods ) -
Single rod is used to drill short holes (≤2.0m), while the rods in a series are used to drill deeper holes (up to 2.0m), to avoid bending stress excess. Acedrills’ taper drill rods comes with three grades, and lengths available from 600mm (2’) to 11,200mm (36’8”), (measured from the collar to the tapered end). 1.
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