ER40 3/8″ Precision Collet 04240-3/8 CNC Tool Holder

The Techniks 04240-3/8 ER40 Precision Collet is designed to securely hold 3/8″ shank cutting tools in CNC machining and routing applications.

This precision-ground collet features an ER40 design with a 0.336″–0.375″ clamping range and approximately 0.0002″ total indicated runout. It is suitable for use with compatible Techniks ER40 collet chucks and related tooling systems.

Applications

• CNC machining
• CNC routing
• Tool holding
• Milling and drilling
• Precision cutting tool setups
• Industrial machine tooling

Features

• Genuine Techniks precision collet
• ER40 series
• Designed for 3/8″ shank tools
• 0.336″–0.375″ clamping range
• Precision-ground high-carbon steel construction
• Approximately 0.0002″ T.I.R.
• 1.61″ outside diameter
• Compatible with DR, RD, ESX, AR, and BR series collet chucks

Package Includes

1 × Techniks ER40 3/8″ Precision Collet, Item #04240-3/8