Thread diameter (d1)UNEF 1Pitch-Inch (TPI)20 Threads per inchTotal length (l1)140 mmFlute length (l2)28 mmShank Ø (d2)20 mmSquare wide (sw)16 mmPre-drilling diameter (Ø)24.15 mmNormDIN 374FormBTool materialHSS-ESurfaceBrightShank typeStraight shank with squareCutting directionRightHole typefor through holesCoolant feedNoTolerance d1 (Tol. d1)2BTolerance d2 (Tol. d2)h9Intrastat (HS) code82074010EAN code8716563345886