UNJ UNJF UNJEF UNJS thread gauges supplier
UNJ thread ring gages & thread plug gages
Ring gages used to check external thread, plug gages used to check internal thread.
GO & NOGO, RH(ring hand) & LH(left hand) available
UNJ thread mainly used in aeroplane and spacecraft industry. “UNJ” the UN means United Inch thread, “J” means rounded root of external thread. UNJ thread greatly improve the Anti fatigue strength.
Class of fit: ring 3A, plug 3B
We can provide as below UNJ thread ring gages and plug gages:
UNJ Thread Standard
|Thread||ISO 3161:1999||ASME B1.15-1995||SAE AS 8879D-2004||BS A 346:2000|
|Inspection||ISO 15872:2002||ASME B1.3-2007||BS ISO 15872:2002|
We can produce kinds of UNJ, UNJF, UNJEF, UNJC, UNJS thread gauges , welcome to talk with us.
We accept payment of T/T (bank transfer), Paypal and Credit card.
We usually send goods by express, DHL or UPS.
1.25-12 UNJF -3A (B)
1.25=Nominal Diameter=Maxium Major Diameter
12= TPI=Threads number per Inch
UN=Unified National (60 degree V- thread)
J=Controlled root radius-High strength
F= Fine thread
3A or 3B= Class of fit
plug gages for 1.125″-20 UNjS – 3B with a PD of 1.0951-1.0979.