No clog trimmer bit bearing ???????????

I remember seeing a flush trimmer bit with a square bearing that's supposed to reduce the amount of clogging due to glue. Does anybody know who has these or any advise on combating glue clogged bearings. TIA, Mike
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
Sorry lads, I just noticed a previous post covering the topic. Mike
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.