Royal ER20 Ultra-Precision Collets

Guaranteed 0.0002" TIR for Maximum Tool Life and Accuracy.

FREE SHIPPING ON ALL ORDERS OVER $100.

Royal ER20 Ultra-Precision Collets are the industry standard for high-performance CNC machining. Whether you are performing delicate micro-milling or heavy-duty drilling, these collets provide the concentricity and gripping power required to maintain tight tolerances and extend the life of your cutting tools.

  • Superior Accuracy: Every collet is guaranteed to have a Runout (TIR) of 0.0002" or better.
  • Maximum Grip: The 16-slot design provides more surface contact than standard 8-slot alternatives.
  • 1,400 PSI Rated: Our sealed series features a mechanical steel seal for high-pressure thru-coolant.

ER20 Ultra-Precision Inch Collets
Part # Description Action
53050 Royal ER20 Ultra-Precision Collet - 1/16" View Product
53052 Royal ER20 Ultra-Precision Collet - 3/32" View Product
53054 Royal ER20 Ultra-Precision Collet - 1/8" View Product
53056 Royal ER20 Ultra-Precision Collet - 5/32" View Product
53058 Royal ER20 Ultra-Precision Collet - 3/16" View Product
53060 Royal ER20 Ultra-Precision Collet - 7/32" View Product
53062 Royal ER20 Ultra-Precision Collet - 1/4" View Product
53064 Royal ER20 Ultra-Precision Collet - 9/32" View Product
53066 Royal ER20 Ultra-Precision Collet - 5/16" View Product
53068 Royal ER20 Ultra-Precision Collet - 11/32" View Product
53070 Royal ER20 Ultra-Precision Collet - 3/8" View Product
53072 Royal ER20 Ultra-Precision Collet - 13/32" View Product
53074 Royal ER20 Ultra-Precision Collet - 7/16" View Product
53076 Royal ER20 Ultra-Precision Collet - 15/32" View Product
53078 Royal ER20 Ultra-Precision Collet - 1/2" View Product


ER20 Ultra-Precision Metric Collets
Part # Description Action
53460 Royal ER20 Ultra-Precision Collet - 2mm View Product
53462 Royal ER20 Ultra-Precision Collet - 3mm View Product
53464 Royal ER20 Ultra-Precision Collet - 4mm View Product
53466 Royal ER20 Ultra-Precision Collet - 5mm View Product
53468 Royal ER20 Ultra-Precision Collet - 6mm View Product
53470 Royal ER20 Ultra-Precision Collet - 7mm View Product
53472 Royal ER20 Ultra-Precision Collet - 8mm View Product
53474 Royal ER20 Ultra-Precision Collet - 9mm View Product
53476 Royal ER20 Ultra-Precision Collet - 10mm View Product
53478 Royal ER20 Ultra-Precision Collet - 11mm View Product
53480 Royal ER20 Ultra-Precision Collet - 12mm View Product
53482 Royal ER20 Ultra-Precision Collet - 13mm View Product


ER20 Sealed Ultra-Precision Collets (Inch)
Part # Description Action
56054 Royal ER20 Sealed Ultra-Precision Collet - 1/8" View Product
56056 Royal ER20 Sealed Ultra-Precision Collet - 5/32" View Product
56058 Royal ER20 Sealed Ultra-Precision Collet - 3/16" View Product
56060 Royal ER20 Sealed Ultra-Precision Collet - 7/32" View Product
56062 Royal ER20 Sealed Ultra-Precision Collet - 1/4" View Product
56064 Royal ER20 Sealed Ultra-Precision Collet - 9/32" View Product
56066 Royal ER20 Sealed Ultra-Precision Collet - 5/16" View Product
56068 Royal ER20 Sealed Ultra-Precision Collet - 11/32" View Product
56070 Royal ER20 Sealed Ultra-Precision Collet - 3/8" View Product
56072 Royal ER20 Sealed Ultra-Precision Collet - 13/32" View Product
56074 Royal ER20 Sealed Ultra-Precision Collet - 7/16" View Product
56076 Royal ER20 Sealed Ultra-Precision Collet - 15/32" View Product
56078 Royal ER20 Sealed Ultra-Precision Collet - 1/2" View Product


ER20 Sealed Ultra-Precision Collets (Metric)
Part # Description Action
56462 Royal ER20 Sealed Ultra-Precision Collet - 3mm View Product
56464 Royal ER20 Sealed Ultra-Precision Collet - 4mm View Product
56466 Royal ER20 Sealed Ultra-Precision Collet - 5mm View Product
56468 Royal ER20 Sealed Ultra-Precision Collet - 6mm View Product
56470 Royal ER20 Sealed Ultra-Precision Collet - 7mm View Product
56472 Royal ER20 Sealed Ultra-Precision Collet - 8mm View Product
56474 Royal ER20 Sealed Ultra-Precision Collet - 9mm View Product
56476 Royal ER20 Sealed Ultra-Precision Collet - 10mm View Product
56478 Royal ER20 Sealed Ultra-Precision Collet - 11mm View Product
56480 Royal ER20 Sealed Ultra-Precision Collet - 12mm View Product
56482 Royal ER20 Sealed Ultra-Precision Collet - 13mm View Product


ER20 Ultra-Precision Collet Sets (Includes Storage Tray & Free Shipping)
Part # Description Action
53304 Royal ER20 Ultra-Precision 15-Piece Inch Collet Set View Product
53704 Royal ER20 Ultra-Precision 12-Piece Metric Collet Set View Product
56304 Royal ER20 Ultra-Precision 13-Piece Sealed Inch Collet Set View Product
56704 Royal ER20 Ultra-Precision 11-Piece Sealed Metric Collet Set View Product