ER-SPR (COLLET DIN6499) : DIN 6499 ER Spring collets in standard precision
IT_ER_SPR 0.01                                      IT_46~48HRC                                         IT_N5                                              
  DesignationSSd mind maxGICATGIREMgiic
  ER16 SPR 3- 4 ER163.004.004650308 0
  ER20 SPR 3- 4 ER203.004.004650209 0
  ER25 SPR 3- 4 ER253.004.004650324 0
  ER32 SPR 3- 4 ER323.004.004650337 0
  ER40 SPR 3- 4 ER403.004.004650349 0
  ER16 SPR 4- 5 ER164.005.004650309 0
  ER20 SPR 4- 5 ER204.005.004650210 0
  ER25 SPR 4- 5 ER254.005.004650325 0
  ER32 SPR 4- 5 ER324.005.004650338 0
  ER40 SPR 4- 5 ER404.005.004650350 0