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Long hole drilling tools

Below is a presentation of Sandvik's systems of Long hole drilling underground.	Contact us Find your nearest office Related products Interactive top hammer catalogue Shank adapters for all common rock drills Production drills Applications These products are commonly used for: Long hole production drilling in underground mining.
Sandvik long hole drilling system Threads Diameter (inch) Hole range (mm) R32 1 1/4 51 - 64 T35 1 3/8 54 - 57 T38 1 1/2 64 - 76 T45 1 3/4 70 - 102 T51 2 89 - 127 T45 Tube 1 3/4 76 ST58 Tube 2 1/4 89 - 152 ST68 Tube 2 3/4 102 - 152 Download catalogue Product catalogue (440 KB, 04 Dec 2009) Download brochures RT300 large threaded bits (687 KB, 03 Dec 2009) Calculation of rotation speed Calculate your rotation speed in percussive drilling