14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool, 1/16" to 1/2" High Precision 65Mn Steel Collets with Individual Protective Cases

Description: These spring collets are made of 65Mn spring steel for CNC milling lathe tool and work-holding engraving machine. There are total 14 collets of various sizes in on set which can basic meet your need. Each collet is well packed in separate protective container with label so you can easily distinguish them. Collet must be placed into collet chuck nut before inserting into collet chuck.Features: Made of spring steel, they are stable in performance. Fine workmanship, good elasticity, high precision.Collet must be placed into collet chuck nut before inserting into collet chuck. Each collet is well packed in separate protective container with label. For CNC milling lathe tool and work-holding engraving machine.Specifications: Material: 65Mn spring steel Model: ER20Range: 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 1/2"Height: 30mm / 1.18"OD: 21mm / 0.82" Run-Out Tolerance: Weight: 550g(approx.)Package Includes: 1 Set(14pcs) x ColletsNote:1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

• High Precision Clamping: This ER20 spring collet set delivers exceptional concentricity and run-out tolerance for accurate tool holding in CNC engraving and milling operations. Made from high-quality 65Mn spring steel, each collet ensures and reliable grip on cutting tools ranging from 1/16" to 1/2", minimizing vibration and enhancing machining accuracy.
• Complete Size Range: The 14-piece ER20 collet set includes all standard imperial sizes—1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", and 1/2"—so you’re ready for nearly any small-to-medium CNC job without needing to buy additional collets separately.
• Ideal for Multiple Applications: Designed for use with CNC engraving machines, milling lathes, and workholding systems, these spring collets are perfect for hobbyists, woodworkers, metal fabricators, and professional machinists who need dependable, repeatable tool clamping for precision tasks like routing, carving, drilling, and detailed milling.
• Premium 65Mn Spring Steel Construction: Each collet in this set is crafted from durable 65Mn spring steel, offering excellent elasticity, wear resistance, and long service life. The fine workmanship ensures smooth inner surfaces and consistent gripping force, reducing tool slippage and protecting your valuable cutting bits during high-speed operations.
• Organized and Protected Packaging: Every collet comes individually stored in a labeled protective case, making identification quick and storage safe. This prevents scratches, , or mix-ups in your workshop. Note: Always insert the collet into the collet chuck nut before placing it into the chuck for proper installation and optimal performance.