QM18-62mm universal valve seat reamer. Strong applicability: All valves with various angles between 18-62mm can be used. One-time forming: the working surface and upper and lower chamfers are processed at one time. No grinding required: the processed valve seat generally does not need grinding, and can be used directly with the new valve. Precise positioning: It can accurately ensure the angle of the valve seat working surface, the position of the upper and lower chamfers, the width and the coaxiality with the valve guide. Permanent use: The reamer blade can be sharpened and replaced after being blunt, and the entire reamer can be used permanently, benefiting from one investment for life. Ability to process extra hard seat ring: the blade is made of cemented carbide, which can process extra hard seat ring. Special function: can hinge off the valve seat ring and process the valve seat ring hole. Improve work efficiency: Compared with old-fashioned reamer, work efficiency can be improved by more than 10 times. The performance is beyond the imagination of ordinary people, and all old-fashioned reamers can be eliminated by purchasing one set. 1: Body assembly 1. 2: Adjustable base 1. 3: 18-40mm blade holder 1. 4: 40-60mm blade holder 1. 5: Tool setter 1. 6: Fixing bolt 3. 7: Long legs 3. 9: Grinding wheel set 1. 10: Allen wrench 2. 11: Guide rod (5.00 / 5.48 / 5.97 / 6.58 / 7.00 / 7.99 / 8.03 / 8.97 / 9.00 / 9.43 / 9.50 /10.98 / 11.00 / 11.98) 1. 12: Blade model (45-0.8mm / 45-1.2mm / 55-1.5mm / 60-1.2mm) 1. International Buyers Please Note. China to United States, by ePacket. China to Other Countries, by. China Post Registered Parcel.