# Cutter head size

**URL:** <https://forum.onefinitycnc.com/t/cutter-head-size/19785>\
**Category:** Original/PRO Series (Buildbotics) (Gen 1)\
**Created:** [April 1, 2023, 2:00pm UTC](https://forum.onefinitycnc.com/t/cutter-head-size/19785 "2023-04-01T14:00:14Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![griffint](https://avatars.discourse-cdn.com/v4/letter/g/2bfe46/32.png) [@griffint](https://forum.onefinitycnc.com/u/griffint)\
**Post date:** [April 1, 2023, 2:00pm UTC](https://forum.onefinitycnc.com/t/cutter-head-size/19785/1 "2023-04-01T14:00:14Z")

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Hello, I was doing a two stage cut last night did the rough cut with 1/4 bit and had in easel set it up for finally pass to be done with a 60 vbit. The cutting head is 1 inch big, did the probed for x,y, and z and went to put in the cutter head size and it will not take it. I put in 1.00, That is right right? Do I have to put it in, in mm maybe? I have the machine set up in imperial measurments. Any help would be greatly apreciated.

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