# Question for using 1/4 inch bits on projects **URL:** \ **Category:** Projects\ **Created:** [November 16, 2017, 7:33am UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480 "2017-11-16T07:33:07Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![AshleyStillson](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/ashleystillson/32/68590_2.png) [@AshleyStillson](https://community.inventables.com/u/AshleyStillson)\ **Post date:** [November 16, 2017, 7:33am UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480/1 "2017-11-16T07:33:07Z")
I want to use a 1/4 cutting diameter bit on some plywood to cut out a reindeer. Easel said it would take five and half hours to cut out with their recommended settings. The cut depth pass was 0.028. Can I have it cut at 0.125 and have it be safe/ not ruin the piece? ---
**Author:** ![HaldorLonningdal](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/haldorlonningdal/32/72377_2.png) [@HaldorLonningdal](https://community.inventables.com/u/HaldorLonningdal)\ **Post date:** [November 16, 2017, 7:40am UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480/2 "2017-11-16T07:40:46Z")
Easel speed values do not factor in the bit diameter. Try a small test piece at 50ipm feed rate, 20ipm plunge rate and keep the 0.028 depth per cut. Increase if seen fit 🙂 ---
**Author:** ![AshleyStillson](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/ashleystillson/32/68590_2.png) [@AshleyStillson](https://community.inventables.com/u/AshleyStillson)\ **Post date:** [November 16, 2017, 7:57am UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480/3 "2017-11-16T07:57:06Z")
Thanks ---
**Author:** ![JustinBusby](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/justinbusby/32/30906_2.png) [@JustinBusby](https://community.inventables.com/u/JustinBusby)\ **Post date:** [November 16, 2017, 12:18pm UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480/4 "2017-11-16T12:18:15Z")
0.028 is way too shallow for a 1/4” bit. You should be going at least 0.0625 if not 0.08. If it’s pine plywood, go up to 0.125. If it’s hardwood plywood, don’t go above 0.08. I recently did some birch plywood using a 1/8” straightbit. 0.0625 DOC and 100 ipm. If I was using a 1/4” straight, I’d be running at 120 ipm and 0.125” DOC but that’s something I’m comfortable doing and if it’s cutting bad or has a problem I’d either stop the carve or adjust the feed rate on the fly. ---
**Author:** ![HansS\_Berger](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/hanss_berger/32/12954_2.png) [@HansS\_Berger](https://community.inventables.com/u/HansS_Berger)\ **Post date:** [November 16, 2017, 5:27pm UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480/5 "2017-11-16T17:27:14Z")
JustinBusby, How do you adjust the feed rate on the fly?? ---
**Author:** ![JustinBusby](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/justinbusby/32/30906_2.png) [@JustinBusby](https://community.inventables.com/u/JustinBusby)\ **Post date:** [November 16, 2017, 5:28pm UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480/6 "2017-11-16T17:28:37Z")
GRBL v1.1f added it and Easel now supports it. I use UGS so I do it through there. ---
**Author:** ![HansS\_Berger](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/hanss_berger/32/12954_2.png) [@HansS\_Berger](https://community.inventables.com/u/HansS_Berger)\ **Post date:** [November 16, 2017, 7:47pm UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480/7 "2017-11-16T19:47:39Z")
Thanks ---
**Author:** ![BrianCirboJr](https://avatars.discourse-cdn.com/v4/letter/b/7993a0/32.png) [@BrianCirboJr](https://community.inventables.com/u/BrianCirboJr)\ **Post date:** [April 11, 2019, 3:30am UTC](https://community.inventables.com/t/question-for-using-1-4-inch-bits-on-projects/45480/8 "2019-04-11T03:30:55Z")
I do a lot of the bettle kill pine here in Colorado for signs what do you recommend for 1/4 bits for cut settings? I think the factory settings are to slow and need to speed it up