What is an ER Floating Tap Collet?

ER Floating Tap Collets are designed to compensate for minor alignment errors and allow axial float during tapping, reducing thread distortion. Learn more at pactoolsusa.com.

When should I use floating tap collets?

Use them when rigid tapping is not available or when working with manual feed systems, ensuring smoother thread cutting. Explore use cases at pactoolsusa.com.

Are floating tap collets compatible with ER holders?

Yes, they work with compatible ER holders designed for tapping, and include square drive support for taps. See compatibility at pactoolsusa.com.

What are the benefits over rigid tap collets?

They reduce tap breakage and compensate for feed/speed mismatches by allowing slight axial movement. Performance details available at pactoolsusa.com.

How should I maintain floating tap collets?

Keep them clean, check for spring tension and smooth float action, and store dry to avoid corrosion. Maintenance info at pactoolsusa.com.

Why choose PAC Precision Tools USA for high-accuracy tooling?

We maintain strict quality control to ensure every precision tool meets the highest industry standards, delivering consistent accuracy and durability for aerospace, automotive, woodworking, metalworking, and manufacturing operations.

What CNC tooling products does PAC Precision Tools supply?

We supply a wide range of precision tools, including Collets (ER, ERS, ERG), CNC Tool Holders, Tool Holder Bushings, Retention Knobs, CNC Live & Dead Centers, and essential accessories like ER Nuts, ER Wrenches, Spindle Wipers, and HSK Coolant Tubes.

What support services does PAC Precision Tools USA offer?

PAC Precision Tools is backed by expert engineers and a customer-focused support team, committed to providing top-quality tooling solutions and outstanding technical assistance to optimize your machining performance.

Where does PAC Precision Tools source its CNC tooling products?

Our products are sourced from advanced global manufacturers, ensuring smooth operations, reduced machine downtime, and greater productivity every step of the way.

Click to enlarge

90029A | ER FLOATING TAP COLLETS

Download Catalog

$65.00

Chicago, USA Stock -

Canada Stock -

ERTB25-4.5X3.4

Weight: 0.068 kg

Specification

Series: ERTB25

ShankSize: 4.5mm

TapStandard: DIN, JIS & ISO Standard

Delivery and Shipping

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.

Description

Description

ERTB25-4.5X3.4

Accuracy

PAC Precision Tools ER Floating Tap Collets from the Collets supplier in Kentucky are built with premium-grade hardened spring steel and are precision-ground to provide maximum concentricity. These collets are intended to provide improved tapping precision and longer tool life in harsh tapping operations.

Dimensions

	ER16	ER20	ER25	ER32	ER40
D	17.0mm	21.0mm	26.0mm	33.0mm	41.0mm
L	27.0mm	31.0mm	34.0mm	43.0mm	54.0mm
T	5.0mm	7.0mm	8.0mm	10.0mm	12.0mm

Features

Axial float feature to accommodate feed and pitch errors
Square locking drive with tension length adjustment
Axial compensation helps prevent tap breakage
Locking feature prevents the tap from spinning
Reduced clearance requirements for efficient operation
Available in both inch and metric collet sizes
Prevents tap failure and minimizes tool stress
Improves tapping precision and accuracy
Square drive design for easy and secure tap engagement
Compatible with ER collet standards: ER16 through ER40
Series available: ERTB16 through ERTB40
Hardened and tempered spring steel construction
Precision-ground internal and external surfaces
Durable corrosion-resistant finish for long service life

Frequently Asked Questions

1. What safety precautions should be followed when using floating tap collets? ▼

Always ensure the tap is properly seated and the collet is correctly tightened before starting the machine. Avoid exceeding recommended speeds and feeds, and never use damaged taps or collets. Regular inspection helps prevent tap breakage and improves operator safety.

2. How does the floating design improve tapping performance? ▼

The floating mechanism allows slight axial and radial movement during tapping. This compensates for small machine misalignments and feed errors, reducing stress on the tap and improving thread quality. It also lowers the risk of tap breakage.

3. What factors should be considered before selecting a floating tap collet for a specific application? ▼

Consider tap size, thread type, material being tapped, machine capability, and whether rigid tapping is available. Also check the collet’s float range and torque capacity. A precision tools supplier in the USA can help match the right collet to your CNC setup.

4. How does heat-treated steel construction enhance durability and precision? ▼

Heat-treated steel improves hardness, wear resistance, and strength. This allows floating tap collets to maintain consistent clamping force and accurate alignment over long production cycles, even under repeated tapping operations.

5. Are ER Floating Tap Collets suitable for high-volume production? ▼

Yes, they are suitable for high-volume production when properly selected and maintained. Their ability to reduce tap stress and compensate for misalignment helps maintain consistent thread quality across large batches.

6. Need help selecting ER Floating Tap Collets for your application? ▼

If you need help selecting perfect ER Floating Tap Collets for your CNC machining applications, you can contact us here at +1 262-282-2456 or email us at sales@pactoolsusa.com. PAC Precision Tools USA is a trusted CNC tools distributor in the USA and a precision tools supplier in the USA.

Official PDF Resource

Get Our Exclusive Product Catalog

Access the complete guide to our high-precision CNC tooling solutions, including Collets, Tool Holders, and essential accessories.

High-resolution technical drawings & dimensions
Comprehensive specifications for all series
Sizing charts & spindle compatibility guides

Download Catalog PDF

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

We maintain strict quality control to ensure every tool meets the highest industry standards, delivering consistent accuracy and performance.

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

Backed by expert engineers and a customer-focused approach, we are committed to delivering outstanding support for superior performance.

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.

PAC Precision Tools USA Statement