Collection: Royal ER-32 Ultra-Precision Collets & Sets

Whether you are running high-speed finishing passes or heavy-duty drilling, the quality of your tool holding determines the quality of your part. Royal ER-32 Ultra-Precision Collets are designed for shops that refuse to compromise on accuracy. With a guaranteed 0.0002" TIR, these collets provide 2–3x the precision of standard industry alternatives, significantly extending tool life and improving surface finishes.

Why Choose Royal ER-32 Collets?

  • Ultra-Precision Accuracy: Every collet is guaranteed to have a Total Indicator Reading (TIR) of 0.0002" or better.
  • 16-Slot Design: Unlike cheaper 8-slot collets, Royal’s 16-slot architecture provides more points of contact for a more powerful, balanced grip on the tool shank.
  • Premium Spring Steel: Hardened and precision-ground to maintain repeatability through thousands of cycles.
  • Internal Protection: Our sealed versions are rated for 1,400 PSI, keeping contaminants out of your spindle and coolant flowing through the tool.

Standard vs. Sealed: Which Do You Need?

Feature Standard Ultra-Precision Sealed Ultra-Precision
Best For General Milling, Drilling, & Boring Coolant-Through Applications
Accuracy (TIR) 0.0002" 0.0002"
Collapse Range 0.039" (1.0mm) None (1:1 Fit Required)
Pressure Rating N/A 1,400 PSI
Spindle Protection Standard High (Blocks Chips/Sludge)

Frequently Asked Questions

What is the collapse range for ER-32 collets?

Standard Royal ER-32 collets have a collapse range of 0.039" (1.0mm). However, to maintain the 0.0002" TIR accuracy, we recommend using a collet that is a close fit to your tool shank. Note: Sealed collets do not have a collapse range and must be used on the exact shank size.

Can I use sealed collets without coolant?

Yes. Many shops use sealed collets even without through-spindle coolant specifically to prevent fine chips and grinding dust from entering the collet chuck and spindle bore, which preserves the life of the machine.

Do these collets fit other brands of holders?

Yes. Royal ER-32 collets are manufactured to DIN 6499 specifications, making them 100% compatible with any standard ER-32 collet chuck from other manufacturers.


Shop by Category

ER-32 Ultra-Precision Inch Collets (Standard)

Part Number Product Description Purchase Link
53140 Royal ER-32 Ultra-Precision Inch Collet 3/32" Buy Online
53142 Royal ER-32 Ultra-Precision Inch Collet 1/8" Buy Online
53144 Royal ER-32 Ultra-Precision Inch Collet 5/32" Buy Online
53146 Royal ER-32 Ultra-Precision Inch Collet 3/16" Buy Online
53148 Royal ER-32 Ultra-Precision Inch Collet 7/32" Buy Online
53150 Royal ER-32 Ultra-Precision Inch Collet 1/4" Buy Online
53152 Royal ER-32 Ultra-Precision Inch Collet 9/32" Buy Online
53154 Royal ER-32 Ultra-Precision Inch Collet 5/16" Buy Online
53156 Royal ER-32 Ultra-Precision Inch Collet 11/32" Buy Online
53158 Royal ER-32 Ultra-Precision Inch Collet 3/8" Buy Online
53160 Royal ER-32 Ultra-Precision Inch Collet 13/32" Buy Online
53162 Royal ER-32 Ultra-Precision Inch Collet 7/16" Buy Online
53164 Royal ER-32 Ultra-Precision Inch Collet 15/32" Buy Online
53166 Royal ER-32 Ultra-Precision Inch Collet 1/2" Buy Online
53168 Royal ER-32 Ultra-Precision Inch Collet 17/32" Buy Online
53170 Royal ER-32 Ultra-Precision Inch Collet 9/16" Buy Online
53172 Royal ER-32 Ultra-Precision Inch Collet 19/32" Buy Online
53174 Royal ER-32 Ultra-Precision Inch Collet 5/8" Buy Online
53176 Royal ER-32 Ultra-Precision Inch Collet 21/32" Buy Online
53178 Royal ER-32 Ultra-Precision Inch Collet 11/16" Buy Online
53180 Royal ER-32 Ultra-Precision Inch Collet 23/32" Buy Online
53182 Royal ER-32 Ultra-Precision Inch Collet 3/4" Buy Online
53184 Royal ER-32 Ultra-Precision Inch Collet 25/32" Buy Online
53186 Royal ER-32 Ultra-Precision Inch Collet 13/16" Buy Online

ER-32 Ultra-Precision Metric Collets (Standard)

Part Number Product Description Purchase Link
53550 Royal ER-32 Ultra-Precision Metric Collet 3mm Buy Online
53552 Royal ER-32 Ultra-Precision Metric Collet 4mm Buy Online
53554 Royal ER-32 Ultra-Precision Metric Collet 5mm Buy Online
53556 Royal ER-32 Ultra-Precision Metric Collet 6mm Buy Online
53558 Royal ER-32 Ultra-Precision Metric Collet 7mm Buy Online
53560 Royal ER-32 Ultra-Precision Metric Collet 8mm Buy Online
53562 Royal ER-32 Ultra-Precision Metric Collet 9mm Buy Online
53564 Royal ER-32 Ultra-Precision Metric Collet 10mm Buy Online
53566 Royal ER-32 Ultra-Precision Metric Collet 11mm Buy Online
53568 Royal ER-32 Ultra-Precision Metric Collet 12mm Buy Online
53570 Royal ER-32 Ultra-Precision Metric Collet 13mm Buy Online
53572 Royal ER-32 Ultra-Precision Metric Collet 14mm Buy Online
53574 Royal ER-32 Ultra-Precision Metric Collet 15mm Buy Online
53576 Royal ER-32 Ultra-Precision Metric Collet 16mm Buy Online
53578 Royal ER-32 Ultra-Precision Metric Collet 17mm Buy Online
53580 Royal ER-32 Ultra-Precision Metric Collet 18mm Buy Online
53582 Royal ER-32 Ultra-Precision Metric Collet 19mm Buy Online
53584 Royal ER-32 Ultra-Precision Metric Collet 20mm Buy Online

ER-32 Sealed Ultra-Precision Inch Collets (1,400 PSI)

Part Number Product Description Purchase Link
56144 Royal ER-32 Sealed Inch Collet 5/32" Buy Online
56146 Royal ER-32 Sealed Inch Collet 3/16" Buy Online
56148 Royal ER-32 Sealed Inch Collet 7/32" Buy Online
56150 Royal ER-32 Sealed Inch Collet 1/4" Buy Online
56152 Royal ER-32 Sealed Inch Collet 9/32" Buy Online
56154 Royal ER-32 Sealed Inch Collet 5/16" Buy Online
56156 Royal ER-32 Sealed Inch Collet 11/32" Buy Online
56158 Royal ER-32 Sealed Inch Collet 3/8" Buy Online
56160 Royal ER-32 Sealed Inch Collet 13/32" Buy Online
56162 Royal ER-32 Sealed Inch Collet 7/16" Buy Online
56164 Royal ER-32 Sealed Inch Collet 15/32" Buy Online
56166 Royal ER-32 Sealed Inch Collet 1/2" Buy Online
56168 Royal ER-32 Sealed Inch Collet 17/32" Buy Online
56170 Royal ER-32 Sealed Inch Collet 9/16" Buy Online
56172 Royal ER-32 Sealed Inch Collet 19/32" Buy Online
56174 Royal ER-32 Sealed Inch Collet 5/8" Buy Online
56176 Royal ER-32 Sealed Inch Collet 21/32" Buy Online
56178 Royal ER-32 Sealed Inch Collet 11/16" Buy Online
56180 Royal ER-32 Sealed Inch Collet 23/32" Buy Online
56182 Royal ER-32 Sealed Inch Collet 3/4" Buy Online
56184 Royal ER-32 Sealed Inch Collet 25/32" Buy Online
56186 Royal ER-32 Sealed Inch Collet 13/16" Buy Online

ER-32 Sealed Ultra-Precision Metric Collets (1,400 PSI)

Part Number Product Description Purchase Link
56552 Royal ER-32 Sealed Metric Collet 4mm Buy Online
56554 Royal ER-32 Sealed Metric Collet 5mm Buy Online
56556 Royal ER-32 Sealed Metric Collet 6mm Buy Online
56558 Royal ER-32 Sealed Metric Collet 7mm Buy Online
56560 Royal ER-32 Sealed Metric Collet 8mm Buy Online
56562 Royal ER-32 Sealed Metric Collet 9mm Buy Online
56564 Royal ER-32 Sealed Metric Collet 10mm Buy Online
56566 Royal ER-32 Sealed Metric Collet 11mm Buy Online
56568 Royal ER-32 Sealed Metric Collet 12mm Buy Online
56570 Royal ER-32 Sealed Metric Collet 13mm Buy Online
56572 Royal ER-32 Sealed Metric Collet 14mm Buy Online
56574 Royal ER-32 Sealed Metric Collet 15mm Buy Online
56576 Royal ER-32 Sealed Metric Collet 16mm Buy Online
56578 Royal ER-32 Sealed Metric Collet 17mm Buy Online
56580 Royal ER-32 Sealed Metric Collet 18mm Buy Online
56582 Royal ER-32 Sealed Metric Collet 19mm Buy Online
56584 Royal ER-32 Sealed Metric Collet 20mm Buy Online

ER-32 Ultra-Precision Collet Sets

Part Number Set Description Purchase Link
53308 Royal ER-32 Ultra-Precision Collet Set - 18 pc. Inch Buy Online
56308 Royal ER-32 Sealed Collet Set - 18 pc. Inch Buy Online
53708 Royal ER-32 Ultra-Precision Collet Set - 18 pc. Metric Buy Online
56708 Royal ER-32 Sealed Collet Set - 17 pc. Metric Buy Online

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