ER COLLETS | 200250-HP
ER32-1/16 - High-Precision Collet
Specification
- US Domestic Shipping Only: We ship exclusively within the United States using UPS as our primary carrier.
- Processing Time: Orders are typically processed within 1–2 business days. Orders placed on weekends or holidays will be processed on the next business day.
- Delivery Times: Delivery times vary based on the shipping method and destination (estimates are provided at checkout). Please note that carrier delays (e.g., weather or unforeseen issues) are beyond our control.
- Costs & Methods: UPS Standard, Expedited, and Express methods are available. Shipping rates are calculated based on weight and destination at checkout.
- Tracking & Support: Tracking information will be emailed once shipped. For tracking issues, errors, or damaged/lost packages, contact us at sales@pactoolsusa.com or +1 262-282-2456.
ER32-1/16 - High-Precision Collet
Accuracy
ER Collets from PAC Precision Tools are manufactured for high precision CNC machining applications. They provide excellent concentricity and secure clamping to ensure maximum tool holding performance.
- Standard Precision : -0.0006" (15 Micron) @4D
- High Precision : -0.0004" (10 Micron) @4D
- Ultra Precision : -0.0002" (5 Micron) @4D
Dimensions

| Collet Series | Reference # | A | B |
|---|---|---|---|
| ER8 | 4004E | 8.5mm (.335 in) | 13.5mm (.531 in) |
| ER11 | 4008E | 11.5mm (.453 in) | 18mm (.709 in) |
| ER16 | 426E | 17mm (.669 in) | 27.5mm (1.063 in) |
| ER20 | 428E | 21mm (.827 in) | 31.5mm (1.220 in) |
| ER25 | 430E | 26mm (1.024 in) | 34mm (1.378 in) |
| ER32 | 470E | 33mm (1.299 in) | 40mm (1.575 in) |
| ER40 | 472E | 41mm (1.614 in) | 46mm (1.811 in) |
| ER50 | 477E | 52mm (2.047 in) | 60mm (2.362 in) |
Features
- All PAC Collets are as per ISO-15488 / DIN 6499 standard
- Manufactured with SWISS Technology
- Crafted from high-quality Spring Steel
- Metric & Inch Sizes Available
- Fractional Collets manufactured specifically for USA market requirements
- 16 slot construction for rigid clamping and extra concentricity
- PAC Collets improve tool life, part finish and reduce spindle wear
- Suitable for drilling, milling, tapping and reaming
- Hardness: 44-46 HRC
- Corrosion Resistant Surface Finish
- Compatible with ER16 through ER50 collet chucks
- Rounded & deburred edges for guaranteed repeatability
Frequently Asked Questions
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- High-resolution technical drawings & dimensions
- Comprehensive specifications for all series
- Sizing charts & spindle compatibility guides
Why Choose PAC Precision Tools USA?
PAC Precision Tool is a trusted supplier and distributor of reliable, durable, and high-precision tooling solutions in the USA. We support aerospace, automotive, woodworking, metalworking, and manufacturing industries with consistent accuracy and performance.
High-Accuracy & Durable
High-Accuracy & Durable
We maintain strict quality control to ensure every tool meets the highest industry standards, delivering consistent accuracy and performance.
Extensive Product Range
Extensive Product Range
We supply a wide range of precision tools, including Collets, Tool Holders, Bushings, Retention Knobs, CNC Centers, and essential accessories.
Reliable Support
Reliable Support
Backed by expert engineers and a customer-focused approach, we are committed to delivering outstanding support for superior performance.
Advanced Sourcing
Advanced Sourcing
Sourced from advanced global manufacturers, ensuring smooth operations, reduced downtime, and greater productivity every step of the way.
Our mission is simple: to be your most reliable partner in precision tooling, ensuring smooth operations, reduced downtime, and greater productivity every step of the way.
Quick Link
- Tool Holders
- Collets
- Tool Holders Bushings
- Retention Knobs
- CNC Live/Dead Centers
- Other Accessories
- ER Collet Holders
- End Mill Holders
- Hydraulic Holders
- Face Mill Holders
- Shrink Fit Holders
- Tooling Packages
- Power Milling Holders
- ER Collets
- ER Steel Sealed Collets
- ER Jet Spray Coolant Collets
- SK Collets (Super Collets)
- Reduction Sleeves For Hydraulic Chuck
- Straight Collets For Milling Chucks
- Quick Change Tapping Adapters
- Boring Bar Sleeves
- CNC Dead Centers
- ER Wrench
- Tool Locking Device
