TOSI factory has over 5 years to manufacture Raise Boring Cutter (reaming heads for raise boring machine)and supply to America, Europe Mining Market. Our customers use our 4 row and 5 row raise bore Cutter replace directly to Sandvik CMR 41 and CMR 52. The Max. load is not less than 10 tons.

Our products were again improved for dependable maximum performance, and were crafted from the highest quality materials available in today's market, its premium quality nickel-alloy steel for increased durability and wear characteristics. With the right combination of heat treatment standards and special "stress relief" processes ensure consistent performance, and extended service life resulting in reduce fuel cost.

Regarding quality, it has professional R&D team, staffs, strict inspect process and every step will record. TOSI has fully confident that our products could satisfy your work.

Please download our schematic drawing.