Brand: Genmitsu SKU: 101-63-CA04A

4pcs Router Collet Adapter, 1/4″ to 1/8″ CNC Engraving Router Bit Collet Size Converter

SKU: 101-63-CA04A Variants ID: 41483787468879

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  • Size: Inner diameter is 1/8″ (3.175 mm), outside diameter is 1/4″ (6.35 mm) and 9.25″ (23.5 mm) in length.
  • Application: This adapter is used to transform the collet size from 1/4″ to 1/8″. It's suitable for CNC machine tool grinders that use a 1/4 collet.
  • Material: It is made of carbon steel material. This material offers extra-long life, good flexibility, and wear resistance.
  • Effect: The adapter provides a high precise clamping force and good grip stability. This ensures the stability and accuracy of the engraving process.
  • Package: Each package contains 4 pieces of 1/4″ to 1/8″ collet adapters for CNC routers.

About  the Collet

Add this small adapter to your router and let your router use 1/8" bits as well as 1/4" bits! Made from durable high-carbon steel, these adapters offer precision and durability. Experience improved grip stability for precise engraving and routing. Each package includes 4 adapters, ensuring a seamless transition between bit sizes for your CNC router.



  • Material: Spring Steel
  • Conversion Size: Convert 1/4″ to 1/8″
  • Inner Diameter: 0.125″ (3.175 mm)
  • Outside diameter: 0.25″ (6.35 mm)
  • Total Length: 0.93″ (23 mm)
  • Compatible: Genmitsu compact router and other CNC router with 1/4″ collet on the market.