Overall length Thread lengthThread + Neck lengthShank lengthShank dia.Size of squareLength of square
L ℓℓnℓsDsKℓk

DIN GGST CH Z-PRO Straight Fluted Taps for Cast Irons with Coolant Through Hole, Blind Hole Use

SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesCoolant hole size(mm)TYPE
M16 × 2ISO2X3205101114C(2.5P)11026-5612912422
M16 × 2ISO2X3206101114E(1.5P)11026-5612912422
M16 × 1.5ISO2X3205101116C(2.5P)10021-5112912422
M16 × 1.5ISO2X3206101116E(1.5P)10021-5112912422
M18 × 2.5ISO2X3205101128C(2.5P)12533-64141114422
M18 × 1.5ISO2X3205101130C(2.5P)11024-56141114422
M20 × 2.5ISO2X3205101141C(2.5P)14033-71161215422
M20 × 1.5ISO2X3205101144C(2.5P)12524-64161215422