Special thread gauges are define into Adjustable thread ring, special diameter and special pitch. Complete with end threading and without threading.
Some precision parts require double thread start or more thread start opening. All this are consider as special thread.


All thread gauges are AGD – America Gauge Designed. All thread gauges are manufactured with gauge blanks per ASME / ANSI B47.1. Progage, uses tool steel which is oil – hardened, drawn, stabilized and redrawn to Rockwell C60-62. This material provides greater wear resistance, excellent anti-friction properties and rigid stability to distortion.

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