What are Boring Bar Sleeves used for in CNC machining?

Boring Bar Sleeves are precision adapters used to fit smaller diameter boring bars or round tools into larger-diameter tool holders. They ensure tight fitment, tool alignment, and vibration-free cutting. You can explore options at pactoolsusa.com.

How do Boring Bar Sleeves improve machining accuracy?

By centering the tool precisely within the holder, Boring Bar Sleeves reduce runout and enhance surface finish. Their tight concentricity helps maintain cutting accuracy in deep boring and facing operations. For more information, visit pactoolsusa.com.

Are Boring Bar Sleeves compatible with different holder types?

Yes, Pactools offers Boring Bar Sleeves in various outer and inner diameters to match standard tool holders like boring heads, end mill holders, and VDI tool blocks. Browse compatibility charts at pactoolsusa.com.

What materials are used to make Boring Bar Sleeves?

These sleeves are typically made from hardened and precision-ground alloy steel to provide long-lasting durability, wear resistance, and thermal stability during heavy-duty machining. Material specifications are available at pactoolsusa.com.

Which industries use Boring Bar Sleeves the most?

Industries like aerospace, automotive, die/mold, and precision component manufacturing rely on boring bar sleeves for holding small-diameter boring bars during internal turning and finishing. Learn more 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.

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113537 | BORING BAR SLEEVES

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$75.00

Chicago, USA Stock -

Canada Stock -

Type - Boring Bar Sleeves, Internal Dia - 0.375", Outside Dia - 25mm

Specification

BoreSize: 0.375" Inch

OdSize: 25mm

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,
Internal Dia - 0.375",
Outside Dia - 25mm

Accuracy

PAC Precision Tools Boring Bar Sleeves are designed to adapt smaller diameter boring bars to larger tool holder bores while maintaining high precision and stability during machining. These sleeves ensure accurate tool alignment and strong support, helping reduce vibration and improve overall machining performance.

Manufactured from premium hardened alloy steel and precision-ground to tight tolerances, PAC Precision Tools Boring Bar Sleeves deliver excellent wear resistance, durability, and consistent performance in demanding CNC machining environments.

Dimensions

Features

Precision fit for accurate boring bar alignment
Allows the use of smaller diameter boring bars in larger holders
Maintains high concentricity for precise machining
Provides strong support to reduce vibration and deflection
High wear resistance for long service life
Made from black oxide
Available in both inch and metric sizes
Wrench flats for easy removal
Type and size clearly marked on the head surface
Precision-ground internal and external surfaces
Excellent dimensional stability under heavy loads
Corrosion-resistant surface finish
Easy installation with a secure fit

PAC Precision Tools Boring Bar Sleeves from the right CNC tools supplier in Massachusetts are ideal for boring, internal turning, and precision machining operations in CNC lathes and machining centers. Designed for durability and accuracy, they enhance machining stability, improve surface finish, and extend tool life.

Frequently Asked Questions

1. What are Boring Bar Sleeves, and what is their purpose in machining? ▼

Boring Bar Sleeves are precision sleeves used to adapt smaller boring bars to larger tool holder bores. They help maintain proper alignment and stability during boring operations. PAC Precision Tools, a trusted Boring Bar Sleeve supplier in USA provides sleeves designed for accurate CNC machining.

2. How do I choose the correct size of Boring Bar Sleeve for my machine from PAC Precision Tools? ▼

Select a sleeve that matches the tool holder bore size and the boring bar diameter exactly. Correct sizing ensures a secure fit, low runout, and stable cutting. PAC Precision Tools, a precision tools supplier in the USA can help confirm compatibility.

3. How do Boring Bar Sleeves impact surface finish quality? ▼

High-quality sleeves reduce vibration and tool deflection, which directly improves surface finish. Poor-quality or worn sleeves can cause chatter and uneven cuts. Precision sleeves help achieve smoother and more consistent results.

4. How do different materials affect the performance of Boring Bar Sleeves? ▼

Sleeves made from hardened alloy steel offer high strength and wear resistance. Material quality affects vibration damping, durability, and accuracy. PAC Precision Tools, a precision tools supplier in the USA ensures the right material for demanding machining conditions.

5. Are coolant-through Boring Bar Sleeves available? ▼

Yes, coolant-through boring bar sleeves are available for applications requiring improved cooling and chip evacuation. They help extend tool life and improve cutting performance, especially in deep-hole boring.

6. Need help selecting Boring Bar Sleeves for your application? ▼

If you need help choosing the right Boring Bar Sleeves for your CNC machining needs, you can contact us here at +1 262-282-2456 or email us at sales@pactoolsusa.com. PAC Precision Tools USA is a trusted precision tools supplier in the USA and a CNC tools distributor in the USA.

Official PDF Resource

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High-resolution technical drawings & dimensions
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