1 6 N New since T ool Manual 21 N New in the PFERD pr oduct line 2012 N e w i n t h e P F ER D P r o d u c t L i n e 2 0 4 P O L I N O X C r oss B u f f s Suitable for cleaning deburring and fne grind ing of inner surfaces and contours Ideal for narr ow places such as bor es and cavi ties and har dtor each places A vailable in four di f fer ent dimensions and thr ee grit sizes Application Examples Deburring of bor es on nonferr ous metals Fine grinding on the inner surfaces of pipes made of stainless steel INOX Cleaning thr ead pitches Recommendation for Use Recommended cutting speed 2000 4000 SFPM Or dering Note Please or der arbor separately PFERD Speci fcation Number PNST Diameter Inches No of layers Thr ead Grit size and EDP Number Recom Speed RPM Max RPM Suitable Arbor coarse medium fne 34 2 832 UNC N 44198 N 44199 15000 25100 EDP 44830 20 1 2 832 UNC N 44202 44200 44201 10000 19100 EDP 44830 20 112 3 832 UNC N 44210 44208 44209 7500 12600 EDP 44830 20 2 2 832 UNC N 44212 N 44213 N 44214 5500 9500 EDP 44830 20 POLINOX Cr oss Buf fs A rb o r s Shank Dia S Inches Shank Length L Inches Thr ead EDP Number Suitable T ool Max RPM 14 3 832 UNC 44830 POLINOX Cr oss Buf fs 25000 1 Arbor for POLINOX cr oss buf fs L S Arbors for POLINOX Cr oss Buf fs