Based in China, Maxdrill Rock Tools is an ISO 9001:2008-certified manufacturer of high quality, competitively-priced rock drilling tools. Thanks to our highly efficient management and technological innovation, we have successfully gained the approval of our clients and the international market. Our main products are: 1. Extension Drilling Tools: Thread R22, R25, R28, R32, R38, T38, T45 ,T51,ST58, GT60 , items include Extension rod , MF Rod, Button Bit, Retrac Bit, Cross Bit, Couplings 2. Drifting and Tunneling Tools: Thread R25, R28,R32 ,R35 ,Tunneling drill rod(Hex25mm, Hex.28mm, Hex,32mm, Hex35mm), MF Rod shank rod(hex.22×108mm,hex.25mm×108mm, hex.25mm×159mm ) 3. Taper button bit, Taper drill rod, 4°46′, 6°, 7°,11°, 12° 4. Shank adaptor: not only suitable for normal trolley, but also well fitted with Atlas Copco, Bohler, Furukawa and Ingersoll Rand. 5. Coupling Sleeves: R22, R25, R38, T38, T45, T51 6. Down The hole Hammer and DTH Bit 7. Self Drilling Rock Bolt and accessories: Bolt: R25, R32L, R32N, R32S, R38N, R51L, R51N, T76N, T76S Accessories: Coupling, Nut, Plate, Steel bit, Cross bit, Button bit, Asymmetrical button bit etc. 8. Tap hole drill rod, Tap hole drill bit and accessories 9. Integral drill rod, plug drill rod 10. Overburden drill tools, Eccentric casing systems and concentric casing syatem. Those products are widely used in the industries of mining, quarrying, tunneling, stone cutting, water well, oil, gas, civil construction, slope stabilization and so on. We have professional team and advanced equipment to guarantee good service and the high quality of our products. So, we are confident to promise that our products are reliable!