- Durable Alloy Steel Construction: The ER20 collet and accompanying shafts are made from high-strength alloy steel, ensuring reliable performance for demanding cutting tasks, ideal for engraving and milling. - Reliable ER20 Nut System: The standardized ER20 nut securely locks collets within a clamping range of 1-13mm and features a 3/4 bore diameter. This design enhances tool stability for precise carving, routing, and CNC machining. - Versatile Compatibility: This spring collet set is compatible with a variety of machines, including engravers, milling machines, and wood carvers, making it an essential tool for metalworking, woodworking, and DIY crafting projects. - Commercial-Grade Performance: Crafted from erosion-proof alloy steel, this collet set withstands challenging workshop environments and supports stable operation in high-speed applications up to 13mm tool diameters. Use Scenarios: - Ideal for intricate engraving tasks on metal or wood surfaces, ensuring detailed and consistent results. - Perfect for milling operations where precision and tool stability are crucial for achieving high-quality finishes. - Essential for woodworking projects, allowing for smooth routing and shaping of materials with ease.