29 Pcs ER40 Precision Spring Collet Set Milling Lathe CNC Chuck Bit Holder Tool

This 29-piece ER40 precision spring collet set is designed for milling, lathe, and CNC machines. It provides secure and accurate holding of various tool bits, enhancing machining performance and efficiency.

• 29 pieces including a range of ER40 spring collets
• Suitable for milling, lathe, and CNC applications
• Ensures precise and firm grip on tool bits
• Compatible with ER40 chuck holders
• Ideal for improving machining accuracy and stability

This is an aftermarket part, not OEM. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.