Collection: Royal ER-16 Ultra-Precision Collets

This collection features the Royal ER16 Ultra-Precision line, the professional choice for high-accuracy CNC machining. Engineered to a guaranteed 0.0002" TIR (Total Indicator Runout), these collets ensure maximum tool life and superior surface finishes.

Pro Tip: Enjoy FREE SHIPPING on all orders over $100. This includes all Royal ER16 Collet Sets!

The Royal ER16 Advantage

Unlike standard commodity collets, Royal ultra-precision collets utilize a 16-slot design. This provides significantly more surface contact and a stronger, more concentric grip on the tool shank than common 8-slot alternatives.

  • Standard Collets: Designed for general-purpose milling with a 0.039" (1mm) collapse range.
  • Sealed Collets: Features a mechanical steel seal (no silicone plugs) rated for 1,400 psi through-tool coolant.
  • Sets: The most cost-effective way to outfit your machine. Includes a protective storage tray.

Royal ER16 Ultra-Precision Standard Inch Collets

Part Number Size Accuracy (TIR) Clamping Range Purchase Link
53020 1/16" 0.0002" 0.062" - 0.023" View Product
53022 3/32" 0.0002" 0.093" - 0.054" View Product
53024 1/8" 0.0002" 0.125" - 0.086" View Product
53026 5/32" 0.0002" 0.156" - 0.117" View Product
53028 3/16" 0.0002" 0.187" - 0.148" View Product
53030 7/32" 0.0002" 0.218" - 0.179" View Product
53032 1/4" 0.0002" 0.250" - 0.211" View Product
53034 9/32" 0.0002" 0.281" - 0.242" View Product
53036 5/16" 0.0002" 0.312" - 0.273" View Product
53038 11/32" 0.0002" 0.343" - 0.304" View Product
53040 3/8" 0.0002" 0.375" - 0.336" View Product
53042 13/32" 0.0002" 0.406" - 0.367" View Product

Royal ER16 Ultra-Precision Standard Metric Collets

Part Number Size (mm) Accuracy (TIR) Clamping Range Purchase Link
53430 1.0mm 0.0002" 1.0mm - 0.5mm View Product
53432 2.0mm 0.0002" 2.0mm - 1.0mm View Product
53434 3.0mm 0.0002" 3.0mm - 2.0mm View Product
53436 4.0mm 0.0002" 4.0mm - 3.0mm View Product
53438 5.0mm 0.0002" 5.0mm - 4.0mm View Product
53440 6.0mm 0.0002" 6.0mm - 5.0mm View Product
53442 7.0mm 0.0002" 7.0mm - 6.0mm View Product
53444 8.0mm 0.0002" 8.0mm - 7.0mm View Product
53446 9.0mm 0.0002" 9.0mm - 8.0mm View Product
53448 10.0mm 0.0002" 10.0mm - 9.0mm View Product

Royal ER16 Ultra-Precision Sealed Inch Collets

Part Number Size Accuracy (TIR) Coolant Rating Purchase Link
56024 1/8" 0.0002" 1,400 PSI View Product
56026 5/32" 0.0002" 1,400 PSI View Product
56028 3/16" 0.0002" 1,400 PSI View Product
56030 7/32" 0.0002" 1,400 PSI View Product
56032 1/4" 0.0002" 1,400 PSI View Product
56034 9/32" 0.0002" 1,400 PSI View Product
56036 5/16" 0.0002" 1,400 PSI View Product
56038 11/32" 0.0002" 1,400 PSI View Product
56040 3/8" 0.0002" 1,400 PSI View Product
56042 13/32" 0.0002" 1,400 PSI View Product

Royal ER16 Ultra-Precision Sealed Metric Collets

Part Number Size (mm) Accuracy (TIR) Coolant Rating Purchase Link
56434 3.0mm 0.0002" 1,400 PSI View Product
56436 4.0mm 0.0002" 1,400 PSI View Product
56438 5.0mm 0.0002" 1,400 PSI View Product
56440 6.0mm 0.0002" 1,400 PSI View Product
56442 7.0mm 0.0002" 1,400 PSI View Product
56444 8.0mm 0.0002" 1,400 PSI View Product
56446 9.0mm 0.0002" 1,400 PSI View Product
56448 10.0mm 0.0002" 1,400 PSI View Product

Royal ER16 Ultra-Precision Collet Sets

Part Number Set Description Pieces Range Shipping Purchase Link
53302 Standard Inch Set 11 1/16" - 3/8" FREE View Set
53702 Standard Metric Set 10 1mm - 10mm FREE View Set
56302 Sealed Inch Set 9 1/8" - 3/8" FREE View Set
56702 Sealed Metric Set 8 3mm - 10mm FREE View Set