4 Pack 1/4 to 1/8 Inch Collet Adapter for CNC Router, High Carbon Steel Collet Reducer for Engraving Bits, Router Bit Converter for Router & Engraving Machines

✅Wide Compatibility Designed to convert 1/4" collets to fit 1/8" shank router bits, compatible with CNC routers, engraving machines, milling machines, lathes, drilling machines, and grinders. ✅Durable High-Carbon Steel Made from premium high-carbon steel for excellent wear resistance, strength, and long service life during high-speed machining and woodworking applications. ✅Secure & Precise Fit Provides a tight and stable grip on 1/8" router bits, reducing vibration and improving cutting precision for cleaner engraving and smoother finishes. ✅Quick Bit Conversion Easily switch between different shank sizes without replacing your entire collet system, improving workflow efficiency and saving setup time. ✅Ideal for CNC & Woodworking Perfect for engraving, trimming, carving, slotting, edge forming, and other precision woodworking or CNC machining tasks. Specifications Adapter Size: 1/4" to 1/8" Outer Diameter: 1/4" (6.35 mm) Inner Diameter: 1/8" (3.175 mm) Material: High-Carbon Steel Quantity: 4 Pack Compatible Devices: CNC Router, Engraving Machine, Milling Machine, Lathe, Drill Machine, Grinder Application: Woodworking, CNC Engraving, Routing Type: Collet Adapter / Collet Reducer Compatible Bit Shank: 1/8" Router Bits Compatible Collet Size: 1/4" Collet