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Collets for Special Applications


Button collets

Button Collets

Button Collets are used in Button manufacturing industries. Gem manufactures and supplies collets along with ejector pins in various sizes according to customers requirements. We do supply punching cutters also.




Die grinding collets

Die Grinding Collets

Gem can supply any type of Die Grinding Collets according to the customer's requirements. Presently we manufacture Die Grinding Collets suitable for:

  • Consolidated Pneumatics (CP make)
  • Wadco
  • Applied Pneumatics (AP make)
  • Southern Industrial Corporation (SIC)

To manufacture customised die grinding collets kindly send us the drawing or the sample.




Quick Change Adapter

Quick Change Adapter

Advantages of Quick change Adapter

  • No tools required for quick changeover.
  • Keyed for accurate location.
  • Positive stop screw for repeatable location.
  • Manufactured to machine tool tolerances.
  • Higher feed rates.

Benefits of Quick change Adapter

  • Makes switching between drilling pilot holes and driving screws quick and easy.
  • Long length hex shank for fast loading.
  • Internal hex drive eliminates slippage.
  • The recessed black sleeve prevents accidental release of your bits.



Expanding Collets

Expanding Collets

The Expanding collets iare designed ftouse with Standard Air Collet or Hydraulic Cylinders or other collet fixtures. Expanding collets hold on the inside diameters or inside dimensions of workpieces.

Advantages of Expanding Collets

  • Requires no special adapters
  • Available from 1/4 to 6 diameter
  • Available from 1 to 3 expandable length
  • Machinable by customer to desired diameter
  • No draw back gives positive end length
  • Economical and accurate

Benefits of Expanding Collets

  • Actuated by machine draw tube or collet fixture
  • Rigid one piece body/mandrel construction
  • Built-in safety stop to prevent the collet from overexpanding
  • Exact part length control
  • Consistency in collet capacity for different spindle styles (interchangeable collets)
  • Parallel Gripping



Toggle / Clamping Levers

Toggle / Clamping Levers

Toggle / Clamping Levers can be supplied for all types of Single and Multi Spindle automatics. We can also manufacture toggle levers for all types of machines if the customer provides the drawing or the sample.

For ordering customised collets, send us the drawing or a sample
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