14pcs ER20 Spring Collet Set, CNC Engraving Machine and Milling Lathe Tool Accessories, High Precision Workholding Collets for 1/16" to 1/2" Shank Tools, Made of Durable 65Mn Sprin

Description: These spring collets are made of high quality 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 high quality 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 PERFORMANCE: Our ER20 spring collet set ensures exceptional accuracy with a run-out tolerance of less than 0.01mm, providing stable clamping force for your CNC engraving machine or milling lathe. The precision-ground surface guarantees optimal tool concentricity during high-speed operations.
• DURABLE SPRING STEEL CONSTRUCTION: Made from premium 65Mn spring steel, these collets offer superior elasticity and fatigue resistance. The heat-treated material maintains consistent performance even after prolonged use in demanding industrial environments.
• COMPREHENSIVE SIZE RANGE: This 14-piece set covers shank sizes from 1/16" to 1/2" (including 3/32", 1/8", 5/32" and other common sizes), making it versatile for various machining applications. Each collet is clearly labeled for quick identification.
• PROTECTIVE STORAGE SOLUTION: Every spring collet comes in its own protective container to prevent damage during transport and storage. The organized packaging system saves workshop space and keeps your workholding accessories readily accessible.
• VERSATILE MACHINING APPLICATIONS: Ideal for CNC routers, engraving machines, milling machines, and lathes. These ER20 collets provide secure tool clamping for precise drilling, cutting, and carving operations in metalworking, woodworking, and acrylic processing.