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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114014 | BORING BAR SLEEVES NECK DOWN STYLE

Name: 114014
Brand: Pac Precision Tools USA
Price: 95.00 USD
Availability: InStock

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$95.00

Chicago, USA Stock -

Canada Stock -

Type - Boring Bar Sleeves Neck Down Style, Internal Dia - 20mm, Outside Dia - 1.50"

Specification

BoreSize: 20mm

OdSize: 1.50" Inch

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

Type - Boring Bar Sleeves Neck Down Style,
Internal Dia - 20mm,
Outside Dia - 1.50"

Accuracy

PAC Precision Tools Boring Bar Sleeves – Neck Down Style are designed to provide precise and stable support when adapting smaller diameter boring bars to larger tool holder bores. The neck-down design helps maintain accurate tool alignment, secure clamping, and consistent machining performance during precision boring operations.

Manufactured from high-quality hardened alloy steel and precision-ground for dependable dimensional accuracy, PAC Precision Tools Neck Down Boring Bar Sleeves provide excellent rigidity, wear resistance, and long-lasting performance in demanding CNC machining environments.

Dimensions

Features

Neck-down design provides secure support for smaller diameter boring bars
Designed to adapt smaller boring bars to larger tool holder bores
Precision fit helps maintain accurate boring bar alignment
Helps reduce vibration and tool deflection during machining
Supports improved concentricity and machining stability
Precision-ground internal and external surfaces
Made from hardened alloy steel for durability and wear resistance
Provides reliable performance during demanding CNC machining operations
Available in inch and metric sizes for different machining requirements
Wrench flats allow easy installation and removal
Type and size are clearly marked for easy identification
Excellent dimensional stability under machining loads
Corrosion-resistant surface finish for extended service life
Easy installation with a secure and stable fit

PAC Precision Tools Boring Bar Sleeves – Neck Down Style are ideal for boring, internal turning, and precision machining applications. Their neck-down configuration provides dependable tool support while helping reduce vibration, improve machining stability, and maintain consistent surface finish in CNC machining centers and lathes.

Frequently Asked Questions

1. What are Boring Bar Sleeves – Neck Down Style? ▼

Boring Bar Sleeves – Neck Down Style are precision sleeves designed to adapt smaller diameter boring bars to larger tool holder bores. Their neck-down design provides secure tool support, accurate alignment, and improved stability during CNC boring and internal machining operations.

2. What is the purpose of the neck-down design in a boring bar sleeve? ▼

The neck-down design allows a smaller diameter boring bar to be securely mounted in a larger tool holder bore while maintaining proper alignment. This helps provide stable tool positioning and supports accurate machining performance.

3. How do Neck Down Boring Bar Sleeves improve machining stability? ▼

Precision Neck Down Boring Bar Sleeves provide a secure interface between the boring bar and tool holder. Proper support helps reduce unwanted movement, vibration, and tool deflection, which can contribute to more consistent machining results and surface finish.

4. How do I select the correct Neck Down Boring Bar Sleeve size? ▼

Select a sleeve based on both the tool holder bore diameter and the boring bar diameter. The sleeve should provide a proper fit for the boring bar and holder to maintain secure clamping, accurate alignment, and low runout. PAC Precision Tools can help confirm the appropriate size for your application.

5. What materials are used to manufacture Neck Down Boring Bar Sleeves? ▼

Neck Down Boring Bar Sleeves are manufactured from durable materials such as hardened alloy steel to provide strength, wear resistance, dimensional stability, and reliable performance in demanding CNC machining environments.

6. Are Neck Down Boring Bar Sleeves available in different sizes? ▼

Yes. Neck Down Boring Bar Sleeves can be available in different bore and outside diameter configurations to accommodate various boring bars and tool holders. Inch and metric options may be available depending on the specific product configuration.

7. Need help selecting Boring Bar Sleeves – Neck Down Style? ▼

If you need help selecting the right Boring Bar Sleeves – Neck Down Style for your CNC machining application, you can contact us at +1 262-282-2456 or email us at sales@pactoolsusa.com. PAC Precision Tools USA provides precision tooling solutions for CNC boring, turning, and machining applications.

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Comprehensive specifications for all series
Sizing charts & spindle compatibility guides

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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