ER20 Collet Set – Precision, Durability, and Ease of Use Designed for professional results and longterm reliability, this ER20 collet set offers exceptional accuracy and performance for a wide range of machining, milling, CNC, and engraving applications. Key Features and Benefits: • Complete Size Range – Includes 15 sizes from 1mm to 13mm (1, 1.5, 2, 2.5, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13mm), providing versatile compatibility for different tools, bits, and work requirements. • Concentricity – Ensures precise tool alignment, delivering smooth, flat surface finishes on engraved products and consistent dimensional accuracy across jobs. • Increased Work Efficiency – Stable performance at speeds shortens machining time while maintaining quality, reducing rework and downtime. • Individual Protective Packaging – Each collet is stored in its own labeled box, making it quick and easy to identify sizes, organize your workspace, and protect collets from damage when not in use. • Material – Constructed from 65Mn spring steel for hardness, toughness, and resistance to deformation. Heattreated for longlasting strength, ideal for working with hardness materials. • Simple Installation and Removal – Bayonetstyle design allows the collet to be securely fitted into the chuck nut before inserting into the machine spindle, helping ensure firm seating and safe operation. Applications: 1. CNC machining – for precision milling, drilling, and routing on metal, wood, and plastic parts. 2. Engraving – Maintains tight tolerances for crisp, detailed engraving on flat or contoured surfaces. 3. Workshop use – A reliable choice for professional and hobbyist machinists who need quick size changes without compromising accuracy. This ER20 collet set delivers consistent quality, convenient organization, and dependable performance for demanding tasks where precision and durability matter most.