ER20 Straight Shank Tool Holders Cylindrical Shank Collet Holder Hexagon Nut

  • ER20Straight Shank Tool Holders Hexagon
  • Shank length: 8inches
  • Shank length diameter up to 32mm
  • 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 10mm to 150mm
  • Concentricity is less than .0001 at collet face
  • Round Collet nut is included
  • Rear thread: available
  • Color: Oxide black
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ER20 Straight Shank Tool Holders  

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 

  ER20 Straight Shank Tool Holders

ER20 Shank Size available  3/8,1/2,3/4, 1″ 1.25″ 1.5″ / 8 10 12 16 20 25  32mm
Shank length available 1″ 2″ 4″ 6″ 8″
Hardness HRC 55
Run Out (TIR) <0.0002″ or 0.005mm
Color Oxide black
ER20 Type Hexagon Nut
Balance G2.5 25,000 rpm
Manufacture IGSTOOL



All straight shank tool holder can be used on lathe and milling machine 

Ths shank has flat or without flat options, collet nut has round and hexagon nut, the shank length can be up to 200mm and

precision run out 0.005mm, used on the small hole, step cutting, and space milling 


                                                                                                                 ER20 straight shank tool holder available 


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