TMX 7-162-255 ER25 1-1/4" SS, 3.35" Projection Collet Chuck Holder

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Item #
  • Brand: TMX
  • Model #: 7-162-255
  • Collet Series: ER
  • Collet Type: ER25
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Product Specifications
More Information
Brand TMX
Model # 7-162-255
Collet Type ER25
Type Floating Reamer Collet Chuck
Collet Series ER
Taper 1-1/4" SS
Projection 3.35"
Through Coolant No
Collet Size ER25
Nut Diameter 1.65"
Overall Length 7.35"
Projection Length 3.35"
Prop. 65 Yes
Range .0394"-.6290"
Shank Diameter x Length 1-1/4" x 4"
Weight 7 lbs.
Country of Origin POLAND

Prop 65 Warning

Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.



  • Radial floating mechanism compensates for misalignment between reamer and workpiece.
  • A unique ball bearing and axle drive shaft structure allows both smooth vertical and horizontal operation under high torque in reaming.
  • A unique self centering mechanism eliminates "tapered & oversized" holes.
  • Practical and efficient reamer holding by using ER collets.


  • The GFI Floating Chuck is a unique holder to compensate for the radial misalignment existing in the reaming operations carried out on vertical and horizontal machine tools.
  • The GFI Chuck perfectly adjusts the alignment between the reamer and the workpiece hole and ensures the same accuracy as the reamer itself.


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