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Tapered drill rods

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Tapered drill rod is a further development of the integral drill rods. It usually has a forged collar to maintain the proper shank striking face position in the rock drill.

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SINODRILLS Tapered drill rods


Tapered drill rod is a further development of the integral drill rods. It usually has a forged collar to maintain the proper shank striking face position in the rock drill. Tapered drill rod effective lengths are measured from the collar to the bit end, which are usually from 0.6meter to 3.6 meters.

Taper degrees: 4°46’, 6°, 7°, 11°, 12°;

Shank sizes: Hex.19mm,Hex. 22mm, Hex.25mm;

Other lengths are available upon request.

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