View Single Post
Old 15th Mar 2021, 10:44 pm   #16
Radio Wrangler
Moderator
 
Radio Wrangler's Avatar
 
Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 18,364
Default Re: Enlarging an existing hole in a steel chassis.

I keep a set of good quality tapered reamers, the long stepless ones. Operating them by hand is fine, food ones are sharp and will cut gently without grabbing. This way I can monitor the centring as I go and a little tip of the tool will steer it's progress so I can control the cutting so it is even around the perimeter.

Brilliant tools. You can smoothly ream a quarter inch starter hole out to an inch or more without feeling like you've run a marathon. The ability to cut is one thing, the ability to control the cut is even more important.

David
__________________
Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done
Radio Wrangler is offline