GTI ER-ST(TAPPING) : DIN 6499 ER tapping attachments with straight shanks and floating mechanism
  DesignationSSCSITap minTap maxd mind maxD3D1LL1L2FlfFlbkgGICATGIREMgiic
  GTI ER11 ST16X150 M 16 ER11 M2 M7 0.507.0016.00--19.0150.006.03.00.1804601955 0
  GTI ER16 ST20X80 20 ER16 M3 M10 0.5010.0028.0029.5041.6024.680.008.03.00.3004601956 0
  GTI ER20 ST20X80 20 ER20 M4 M14 1.0013.0034.0033.5049.0028.080.008.03.00.3504601957 0
  GTI ER25 ST25X80 25 ER25 M5 M16 1.0016.0042.0040.5053.0032.080.009.04.00.5504601958 0
  GTI ER32 ST25X80 25 ER32 M6 M20 1.0016.0050.0056.5077.2032.080.009.04.01.1604601959 0
  GTI ER40 ST32X80 32 ER40 M6 M27 2.0020.0063.0056.5095.2051.080.009.04.01.6604601960 0