Screw Checker, Inch, PEC

#1 to 5/16" thread sizes
Quickly identify unified and American threads
NC, NF, and NS threads
Made in USA

Part Number: 3029
Weight: 0.30 lb

Price: $25.50

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Description
Chris' Tips

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

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.