How are 16C collets different from 5C collets?

16C Collets have a larger body diameter (1.750") and longer nose, allowing for greater holding capacity—up to 1-5/8" for round stock. They also typically use a larger drawtube for more powerful clamping, making them better suited for high-volume production. Compare sizes at pactoolsusa.com.

What types of machines use 16C collets?

16C collets are used in high-performance CNC lathes, collet block fixtures, and bar-fed turning centers. They are favored in applications requiring quick part changeover and precise concentricity. Check compatibility at pactoolsusa.com.

What shapes and sizes do 16C collets support?

16C collets are available in round, hex, and square configurations. They typically support up to 1-5/8" round, 1-3/16" hex, and 1-1/8" square stock. Emergency (machinable) collets are also available for custom shapes. View full options at pactoolsusa.com.

What are emergency 16C collets?

Emergency 16C collets are soft collets made from steel or brass that can be bored to custom shapes for non-standard workpieces. These are perfect for short runs or odd profiles. See custom solutions at pactoolsusa.com.

What are the benefits of using 16C collets?

16C collets offer higher clamping force, better rigidity, and support for larger parts compared to smaller collet types. They ensure excellent part concentricity and are well-suited for production runs. Discover benefits 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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288077S | 16C COLLETS

Q: What are 16C Collets?

16C Collets are industrial-grade workholding collets used primarily in CNC lathes and turning centers. They offer higher clamping capacity and rigidity than 5C collets, making them ideal for heavy-duty and high-precision machining. Learn more at pactoolsusa.com.

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$95.00

Chicago, USA Stock -

Canada Stock -

16C SQUARE COLLETS

Specification

BoreSize: 1-3/8" Inch

Series: SQUARE

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

16C SQUARE COLLETS

Accuracy

16C Collets are engineered to provide precise workholding for CNC lathes and turning centers that require larger capacity collet systems. Designed for high concentricity and strong gripping power, these collets provide precise results for your most critical machining applications.

16C Collets feature high-quality hardened alloy steel construction that is precision-ground to precise tolerances. This results in a minimum runout, high clamping power, and long tool life.

Standard Precision : -0.0006"

Dimensions

Features

For Standard 16C Collet Systems
High concentricity for precise turning applications
Uniform clamping for secure workpiece retention
Precision ground internal and external surfaces for smooth operation
Hardened and Tempered Alloy Steel Construction for long tool life
Optimized slot design for balanced gripping pressure distribution
High wear resistance for long tool life
Corrosion-resistant finish for long tool life
16C-Round, Hex & Square Collets
Hold parts up to 1.625 inches or 40mm in diameter
Collet sets available in Inch & Metric sizes
Hardened and ground
High-grade steel for long wear Life

Frequently Asked Questions

1. What are 16C Collets used for in machining operations? ▼

16C Collets are used for heavy-duty workholding in lathes and CNC turning machines. They are designed to hold larger diameter workpieces securely during machining. As a precision tools supplier in the USA, PAC Precision Tools offers 16C collets for stable and accurate turning operations.

2. How do 16C Collets improve workholding accuracy? ▼

16C Collets provide strong and uniform clamping around the workpiece, which helps maintain concentricity. This reduces runout and improves dimensional accuracy, especially in high-load machining applications.

3. How should 16C Collets be maintained to ensure longevity? ▼

Clean 16C collets regularly to remove chips, oil, and coolant residue. Avoid over-tightening and inspect for wear or cracks. Proper storage in a clean, dry environment helps extend collet life and maintain accuracy.

4. What industries commonly use 16C Collets? ▼

Industries such as automotive, heavy engineering, oil and gas, aerospace, and general manufacturing commonly use 16C collets. These industries require strong workholding for larger components and high cutting forces.

5. When should a 16C Collet be replaced? ▼

A 16C collet should be replaced if it shows wear, cracking, loss of clamping force, or increased runout. Replacing worn collets helps protect workpieces, tools, and machine spindles.

6. Need help selecting 16C Collets for your machining application? ▼

If you need more information or guidance with choosing the right 16C Collet for your 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 CNC tools distributor in the USA and a precision tools supplier in the USA.

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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

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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