15Pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool, 1-13mm High Precision Workholding Collets Made of Spring Steel

Description: These spring collets are made of 65Mn spring steel for CNC milling lathe tool and work-holding engraving machine. There are total 15 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: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mmHeight: 30mm / 1.18"OD: 20mm / 0.78" Run-Out Tolerance: Weight: 585g(approx.)Package Includes: 1 Set(15pcs) 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 gripping accuracy for CNC engraving machines and milling lathes, ensuring your tools stay securely in place during high-speed operations without slippage or vibration.
• Durable Spring Steel Construction: Each collet in this 15-piece set is crafted from high-quality spring steel, offering excellent elasticity, wear resistance, and long-term performance stability even under demanding machining conditions.
• Wide Compatibility for Machinists: Designed for use with ER20 collet chucks, this collet set supports tool diameters from 1mm to 13mm, making it ideal for hobbyists, woodworkers, metal fabricators, and professional CNC operators working on precision projects.
• Individual Protective Packaging: Every ER20 spring collet comes neatly stored in its own labeled protective container, preventing scratches, dust buildup, and misplacement—keeping your workshop organized and your collets ready for immediate use.
• Complete 15-Piece Range Included: The set includes one collet for each size from 1mm to 13mm (common increments), giving you full coverage for a variety of end mills, engraving bits, and cutting tools used in routing, drilling, and detailed CNC machining tasks.