Gaugestools also can provide various start ACME thread gauges and remodeled ACME thread gages. The ACME thread forms are with 29 thread angles, their thread height is half of the pitch. We offer a wide range of ACME, Stub-ACME thread rings & plug gauges. We have many Standard ACME thread gauges in stock, 100% calibrated. the price is low with top quality.