- Joined
- Nov 24, 2013
- Messages
- 1,791
Yea your in the 7/16 area there. .4375
The measurements with a digital (Mitutoyo) caliper I got is:
.4345 for the unthreaded portion of the lever (rod)
.4860 for the top of the threaded portion
.4360 for the indentations in the threads
I used the #472 Starrett thread gauge that I have as per Tony's post, and 11-1/2 was the best fit for the threads on the threaded portion of the lever.
I know that this is a late post for something you have already solved, but I took the following approach: Just measure the minimum diameter of the screw with a vernier caliper. Go to an art supply store and acquire wooden balls of a diameter that pleases you. Drill a hole into each one to match the previously measured diameter. A slightly bigger hole will insure that the ball won't split. Now just screw the wooden balls onto the threads of the levers. They thread on nicely and stay put. MarkWhat do I need to measure the thread accurately?
Always get the ones that have a metal insert. If you force the plastic threaded ones even the slightest bit, they crack. They will crack from ordinary use when you pull them down.
Get phenolic with brass threaded inserts.