October 21, 201015 yr This is a simple tool for taking an inside measurement. I find them very handy for checking diagonals of a frame to see it its square. I always find a tape measure awkward. Just a rod inside a tube. The top three are 1/2" sq or round rod in a piece of square tubing. I welded in a fixed point at one end and drilled and tapped for a thumbscrew at the other. The bottom one is just 1/8" gas welding rod inside a piece of brakeline tubing. The fixed point is a piece of a nail. A small bend at one end of the sliding rod makes enough friction to hold the measurement in place.
October 24, 201015 yr Author (Originaly a mispost. Edited to respond to comments) Glad you liked the idea. This is a wood working tool. Here is one I made out of maple when I was making cabinets. The lathes are held by a collar with a trapped wedge. When I switched to metal work I couldn't give them up. But after setting fire to a couple while checking hot welds, I decided to rethink the design Dodge, I scrounged the thumb screws from somewhere. Im sure the machine supply houses stock them but they arent really necessary. A regular socket head would probably be fine. Even just a dimple with a center punch would probably work well.
October 24, 201015 yr I like them. Where do you get the thumb screw knobs? Make? or buy? Thanks, Scott
October 24, 201015 yr I like it. Looks handy. Now I am going to to have to make some of those too. Thanks for sharing!
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.