UNEF thread plug gaugeUNEF thread ring gauge

UNEF thread gauges manufacturer & supplier

UNEF thread gaug is  Unified National Extra Fine thread gauge

We have UNEF screw ring gauges and screw plug gauges

GO & NOGO, RH(ring hand)  & LH(left hand) available

Standard tolerance: Plug 2B &  ring 2A

Internal thread tolerance class: 1B、2B、3B;

External thread tolerance class: 1A、2A、3A

For special gauges without stock, we can provide special custom production service,  one pc is also acceptable,

Big stock of as below standard sizes:

No 12-32 UNEF      1/4-32 UNEF      5/16-32 UNEF    3/8-32 UNEF

7/16-28 UNEF        1/2-28 UNEF      9/16-24 UNEF     5/8-24 UNEF

11/16-24 UNEF     3/4-20 UNEF      13/16-18 UNEF    13/16-20 UNEF

7/8-20 UNEF        15/16-20 UNEF   1-20 UNEF             1 1/16-18 UNEF

1 1/8-18 UNEF     1 3/16-18 UNEF    1 1/4-18 UNEF      1 5/16-18 UNEF

1 3/8-18 UNEF     1 1/2-18 UNEF    1 9/16-18 UNEF     1 5/8-18 UNEF

1 11/16-18 UNEF

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.

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