product detail
We thinks what customers think, the urgency of urgency to act during the interests of a purchaser position of theory, allowing for much better good quality, lower processing costs, prices are extra reasonable, won the new and old buyers the support and affirmation for Newly Arrival Drill speed rodRods Rock Drilling Tools Speed Drifter Mf Extension Rod, We welcome new and aged consumers to speak to us by telephone or send out us inquiries by mail for long term company associations and attaining mutual results. We thinks what customers think, the urgency of urgency to act during the interests of a purchaser position of theory, allowing for much better good quality, lower processing costs, prices are extra reasonable, won the new and old buyers the support and affirmation for bench drilling, drifter rod, drill rod, drilling button bit, eprioc, MF rod, Sandvik, speed rod, tophammer drilling tools, Our expert engineering team will generally be prepared to serve you for consultation and feedback. We are able to also offer you with free of charge samples to meet your requirements. Best efforts will likely be produced to provide you the best service and merchandise. When you are keen on our business and products, please speak to us by sending us emails or call us quickly. In an effort to know our products and company extra, you may come to our factory to view it. We will generally welcome guests from all over the world to our business to create business relations with us. Please feel cost-free to speak to us for small business and we believe we'll share the best trading experience with all our merchants. Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling. And the threads can be used for connecting couplings, shanks, couplings or bits. Usually for extension rods, there are R22, R25, R28, R32, R38, T38, T45 ,T51,ST58, T60 threads, and different lengths of rods are available from 600mm to 6400mm usually. (1)Steel grade: Male-Male Rod, MF Rod (2) Thread: R22, R25, R28, R32, R38, T38, T45, T51, (3) Rod size : hex.22mm, hex.25mm,hex.28mm, hex.32mm, hex.35mm, dia.39mm, dia.46mm. dia.52mm (3)Length: 0.4m-6m (4)Package: in wooden case or in bundles. (5)Productivity: 20000MT / month E.G. R25 (1'') R28 (1 1/8'') R32 (1 1/4'') R/T38 (1 1/2'') T45 (1 3/4'') T51 (2'') T60 (2 3/8'') Drill bit R/T38 Extension rod T38 - Hex. 32 mm - T38 Extension rod T38 - Round 38 mm - T38 (Speedrod) Extension rod R38 - Round 38 mm - R38 Extension rod T38 - Round 38 mm - T38 Extenstion rod T38 - Round 38 mm - T38 (with double thread) Guide rod T38 - Round 45 mm - T38 (Speedrod) Guide tube T38 Coupling R/T 38