Thread diameter (d1)UNEF 1/4Pitch-Inch (TPI)32 Threads per inchTotal length (l1)80 mmFlute length (l2)16 mmShank Ø (d2)7 mmSquare wide (sw)5.5 mmPre-drilling diameter (Ø)5.55 mmNormDIN 374FormBTool materialHSS-ESurfaceBrightShank typeStraight shank with squareCutting directionRightHole typefor through holesCoolant feedNoTolerance d1 (Tol. d1)2BTolerance d2 (Tol. d2)h9Intrastat (HS) code82074010EAN code8716563345794