Thread diameter (d1)UNC 5/16Pitch-Inch (TPI)18 Threads per inchTotal length (l1)72 mmFlute length (l2)22 mmShank Ø (d2)8 mmSquare wide (sw)6.3 mmPre-drilling diameter (Ø)6.6 mmNormISO 529Tool materialHSSSurfaceBrightCutting directionLeftTolerance d1 (Tol. d1)2BIntrastat (HS) code82074010EAN code8716563266839