オーエスジー ねじゲージ ラインナップ追加情報② | オーエスジー

OSG Screw gauge Lineup Additional Information(2)

gauge for UNJ Threads UNJC/UNJF

・Limit ring for screw gauge (UNJ 3A class)

・Limit plug for TiN-coated screws gauge (UNJ 3B class)

* Plug gauge is only available with coating (coating only on the GP side)

"Rest assured that you can see the wear" with TiN coating

Aircraft market with strict quality control
In the aircraft industry, the 3A precision of external thread and the 3B accuracy of the female thread are often used, which is the same as the strict class 1 unification thread accuracy.

gauge There are two types of methods: inspection and machine construction in accordance with JIS standards. It is not an ANSI standard gauge method.

(FAQID:7605)