Thread diameter (d1)NPT 1/4Pitch-Inch (TPI)18 Threads per inchTotal length (l1)67 mmFlute length (l2)19 mmShank Ø (d2)10 mmSquare wide (sw)8 mmShank typeStraight shank with squarePre-drilling diameter (Ø)11.1 mmNormISO 529Tool materialHSSSurfaceBrightCutting directionRightIntrastat (HS) code82074010EAN code8716563262534