Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides

ISO 20 ER Collet Toolholders (for Colombo spindle automatic tool changers, shipped with collet nuts and pull studs)

  • Balanced to 40,000 RPM @ G2.5 (Inspection Report included for accuracy and balance)
  • Internal (collet) Taper : 8┬░
  • Surface Roughness Rz 2.5
  • Degree of concentricity exceeds the DIN standard. 100% examined to 0.0002" TIR
Ultra-precision ISO 20 Toolholder

Order over US$50 and get $5 off shipping!
Item # Description Unit Price Enter Qty.
ERUP-ISO20-ER16M  ISO 20 x ER 16 - 52mm Ultra-precision Toolholder (incl. coated HS mini nut & stud)   $185.00 
ERUP-ISO20-ER20A  ISO 20 x ER 20M - 52mm Ultra-precision Toolholder (incl. pull stud & ER20-A nut)   $185.00 
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