UNC thread ring & plug gauges manufacturer & supplier
UNC thread gage is Unified National Coarse thread gage with 60 degree thread angle.
GO & NOGO, RH(ring hand) & LH(left hand) available
From 1/4″-3 7/8″ many standard sizes in stock, can keep the next days delivery.
Standard tolerance: Plug 2B & ring 2A
Internal thread tolerance class: 1B、2B、3B;
External thread tolerance class: 1A、2A、3A
For special gauge without stock, we can provide special custom production service, one pc is also acceptable,
We have as below standard sizes’ UNC screw plug gages and screw ring gages in stock.
We 100% be sure gauges’s quality, when clients received goods, if found any not well, clients can give back to us, we will undertake all the loss including shipping cost .
We accept payment of T/T (bank transfer), Paypal and Credit card.
We usually send goods by express, DHL or UPS.