Inch plug thread gages are used to inspect pitch diameter and pitch accuracy of internal threads. OSG inch plug gages are manufactured to Class X tolerances per ANSI B1.2. Go and No-Go gages from OSG are ground from premium HSS and hardened to 64Rc to ensure superior wear resistance. Gages are available with short form or long form certifications. To order gages with a short form certificate, use the standard EDP number. To order gages with a long form certificate, use the EDP number ending in “LF”.
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