BT40 Side Lock End Mill Tool Holder

  • BT40 Side Lock End Mill Tool Holder
  • Works on all  BT40 machines
  • From 3mm to 32mm
  • Threaded for stop screw ( included)
  • All critical surfaces precision ground
  • Made from alloy steel hardened to 54 – 56rc
  • Balanced to G2.5 at 25,000 RPMs
  • Gage length is ( from 0.5″ to 8 inches)
  • Concentricity is less than .0001 at collet face
  • Round Collet nut is included
  • Rear thread for pull stud is M16x2
  • Color: oxide black
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        BT40 Side Lock End Mill Tool Holder

The IGSTOOL Tool holder is balanced to G2.5 25,000 RPM on Germany HAIMER Tool Dynamic Balancing System,
Each Tool Holder with QC report card. 100% guarantee of each tool holders  in the high-performance
Balanced tool holder minimizes the centrifugal forces which minimize the stress on spindle bearing,
minimize vibration and maximize the cutting tool’s life a long time  and greatly improve surface finish


We accept Custom OEM Order 


    End Mill Tool Holder

BT40 Size available   3mm to 50mm
Insulation material Hardened Alloy Steel
Hardness HRC 55
Run Out (TIR) <0.0002″ or 0.005mm
Color Oxide Black
 Standard Spindle  BT40 Taper
Stop Screw yes
Manufacture IGSTOOL

BT40 Taper Application Guide



BT40 Eedmill Tool Holder

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