reamer 1. sizes available from 01-80 mm for all kinds of materials pmknsh. 2. can perform machining tolerance of h7, +0.004, +0.005, js9. 3. available in vhm, hm, hss-e, hss materials. 4. available in hb, cyl, ha, mk/mt shank. 5. coating - bright, nitrided, steam tempered, altin nano, altin, tin.