diff --git a/NestProcess.lua b/NestProcess.lua
index 281b940..ed6c91a 100644
--- a/NestProcess.lua
+++ b/NestProcess.lua
@@ -65,6 +65,7 @@ local s_dSideMillDiamDown = WD.SIDEMILL_DIAM_DOWN or 350
 local s_dSideMillDiamUp = WD.SIDEMILL_DIAM_UP or 65
 local s_dHorDrillLen = WD.HOR_DRILL_LEN or 1780
 local s_dHorDrillDiam = WD.HOR_DRILL_DIAM or 35
+local s_dHorDrillDiam5Axes = WD.HOR_DRILL_DIAM_5AX or 0
 local s_sOrigCorner = WD.ORIG_CORNER or 'TL'
 local s_dIntRulli = WD.INTRULLI or 1200
 local s_dMinRawYHorDrill = WD.MINRAWY_HOR_DRILL or 2800
@@ -535,7 +536,7 @@ local function ClassifyDrillsOnLateralFaces( nPartId, dMinSheetWidth)
          if not AuxId  or  EgtGetType( AuxId) ~= GDB_TY.CRV_ARC then break end
          -- verifico se diametro compatibile con la punta
          local dDiam = 2 * EgtArcRadius( AuxId)
-         if abs( dDiam - s_dHorDrillDiam) < WD.DRILL_TOL + GEO.EPS_SMALL then
+         if ( abs( dDiam - s_dHorDrillDiam5Axes) < WD.DRILL_TOL + GEO.EPS_SMALL) or ( abs( dDiam - s_dHorDrillDiam) < WD.DRILL_TOL + GEO.EPS_SMALL) then
             local ptDrill = EgtCP( AuxId, GDB_RT.GLOB)
             local dLen = abs( EgtCurveThickness( AuxId))
             local bLong = dLen > s_dHorDrillLen - 1