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Leader Corporation | Special Thread Plug & Ring Gages
(Acme/Metric/Preplate/Whitworth/Buttress/British/Special Pipe
/Multiple Lead and more...


British plug ring gagesLeader Corporation manufactures standard and special thread gages for virtually every type of thread. American inch, metric, acme, buttress, straight and tapered pipe are all available.

Size capabilities run from 000-127 threads per inch to 15 1/2 inch diameter and one thread per inch. All gages are manufactured to ANSI standards, and are traceable to NIST (National Institute of Standards and Technology).