This 1/4″ to 1/8″ collet adaptor shank reducer is the mainstay in the CNC’ers toolbox when 1/8″ shank bits are the only ones for the job.
Works for any bit with an 1/8″ shank. You will get 2 collets. Rarely will you need more unless you have multiple CNC routers.
Fits all brand routers with 1/4: chuck collet (Makita, Dewalt, B&D, etc)
- 1/4″ OD x 1/8″ ID (6.35 OD x 3.175 ID)
- Material 1045 case hardened steel
This reducing collet adaptor is best suited for any router, either manual or CNC.