diff --git a/Beam/BeamDataNew.lua b/Beam/BeamDataNew.lua
index 6dbc50b..d694b38 100644
--- a/Beam/BeamDataNew.lua
+++ b/Beam/BeamDataNew.lua
@@ -144,6 +144,15 @@ local function GetSCC( vtToolDirection, vtEdgeDirection, vtNFace)
    return nSCC
 end
 
+---------------------------------------------------------------------
+local function GetMinNzTopHead( vtNFace, Tool)
+   if Tool and Tool.sFamily ~= 'SAWBLADE' then
+      return sin( -15)
+   else
+      return sin( -11)
+   end
+end
+
 ---------------------------------------------------------------------
 -- sAxis può essere AB, C, Z; restituisce direzioni, profondità di estrusione e punti per il controllo precollisione
 local function GetPreCollisionData( sAxis, vtC, vtHead)
@@ -265,7 +274,7 @@ local function GetSetupInfo( sHead)
    if sHead == 'H1' then
       SetupInfo.HeadType = { bTop = true, bBottom = false}
       SetupInfo.PreferredSide = {}
-      SetupInfo.GetMinNz = function() return sin( -15) end
+      SetupInfo.GetMinNz = GetMinNzTopHead
       SetupInfo.GetPreCollisionData = GetPreCollisionData
       SetupInfo.GetSCC = GetSCC
    end