Screw Checker, Inch, PEC
- #1 to 5/16" thread sizes
- Quickly identify unified and American threads
- NC, NF, and NS threads
- Made in USA
Screw checkers provide a quick way to measure standard threads. They provide all the information you need for screws; diameter, length, threads per inch, hole size and even tap drill sizes.
Chris' Tips
These things are quicker and more accurate than using a pitch gage and caliper to measure threads. Simply try the threaded part in the holes until you find the proper one. No guessing or interpretation.
These things are quicker and more accurate than using a pitch gage and caliper to measure threads. Simply try the threaded part in the holes until you find the proper one. No guessing or interpretation.