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.

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510020 | BT TAPER | ER COLLET HOLDERS

Name: 510020
Brand: Pac Precision Tools USA
Price: 110.00 USD
Availability: InStock

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$110.00

Chicago, USA Stock -

Canada Stock -

BT40-ER40-100 Holder

Weight: 1.4 kg

Specification

NutType: SLOTTED

Proj. Length: 100mm

Series: ER40

Taper: BT40

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 262-282-2456.

Description

Description

BT40-ER40-100 Holder

Accuracy

At PAC Precision Tools, BT Taper ER Collet Holders feature a symmetrical flange design, making them ideal for high-speed and precision CNC machining. The balanced construction supports consistent accuracy and smooth operation.

PAC Precision Tools, a BT taper holder supplier in Michigan, provides dependable performance for precision manufacturing.

Dimensions

Features

Balanced to 25,000 RPM at G2.5
Standard Flange Coolant AD+B feature on all CAT holders
Corrosion-proof construction with a special rust-preventive coating
Accuracy: 0.0001" TIR or better
AT3 class precision taper
Standard through-tool coolant capability
High-precision pilot holes for accurate tool positioning
Hardness: HRC 56–58
Carbon depth: 0.8mm ± 0.2mm
Surface roughness: Ra < 0.005mm
Manufactured from case-hardened alloy steel
Precision-balanced nuts individually balanced up to 25,000 RPM

Frequently Asked Questions

1. What is a BT Taper ER Collet Holder?▼

A BT taper ER holder is designed for CNC machines using BT spindles, offering a symmetrical design and excellent balance at high RPMs.making it ideal for high-speed machining.

2. What are the benefits of using PACTools BT Taper holders? ▼

BT holders offer excellent balance, rigidity, and repeatability. Their symmetrical flange design ensures minimal vibration at high RPMs.

3. Which sizes are available in BT Taper ER Holders at PACTools? ▼

PAC Precision Tools USA supplies BT30, BT40, and BT50 ER Collet holders to fit a variety of CNC machines covering a wide range of machining needs. You can contact us here +1 262-282-2456 or email us at sales@pactoolsusa.com to know more

4. What’s the difference between BT and CAT Taper holders? ▼

BT holders have symmetrical flanges and metric threads, while CAT holders have an asymmetrical flange and inch threads. Making better balanced and ideal for precision work, while CAT holders suit heavier operations.

5. Do BT holders support coolant-through systems? ▼

Yes, BT holders support coolant-through systems. These are specifically manufactured to allow coolant to pass from the machine spindle, through the holder, and directly to the cutting edge of the tool for better heat control and tool life. It is very important for high-machining operations.

6. How can I maintain my BT Taper ER Holder? ▼

Maintaining your BT Taper ER collet holder primarily involves rigorous cleanliness, regular inspection for wear, and proper storage in a clean and dry place to avoid rust and damage. Regularly clean the taper and threads, and use the recommended torque values during clamping. These practices ensure optimal performance and longer tool life.

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