Thread Plug Gages - Taperlock Design - Steel

Thread Check, Inc. offers a complete line of AGD ‐ American Gage Design, unified working taperlock thread plug gages. The taperlock thread plug gage style allows for a quick and convenient replacement of the gage member into an existing handle. A worn gage member can be simply removed and a new replacement inserted into the handle. Thread Check’s taperlock thread plug gages are manufactured per ANSI/ASME B1.2. Thread Check, Inc. taperlock thread plug gages are manufactured to an X tolerance in class 2B or 3B. Taperlock thread plug gages are available in UNC, UNF, UNEF, J and specials. All Thread Check, Inc. gages are manufactured to the high end of the tolerance to ensure longer gage life. Thread Check, Inc. manufactures taperlock thread plug gages in carbide, ceramic and other types of specialty steels. Thread Check manufactures many types of special gages including pre‐plates, multiple starts, special leads, acme threads, buttress threads, square threads, extra length thread gages, and custom gages to print. All of our unified thread plug gages are manufactured in the U.S.A. and include a traceable certificate to the National Institute of Standards and Technology -N.I.S.T.

SKU Description Dec. Frac. TPI Pitch Diameter Each
1/2-20-TPG-2B-D/E-STL 1/2-20 UNF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.5001/220.4675" - .4731"
$101.00
1/2-20-TPG-3B-D/E-STL 1/2-20 UNF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.5001/220.4675" - .4717"
$101.00
1/2-28-TPG-2B-D/E-STL 1/2-28 UNEF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.5001/228.4768" - .4816"
$193.00
1/2-28-TPG-3B-D/E-STL 1/2-28 UNEF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.5001/228.4768" - .4804"
$193.00
1/4-20-TPG-2B-D/E-STL 1/4-20 UNC 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.2501/420.2175" - .2224"
$96.00
1/4-20-TPG-3B-D/E-STL 1/4-20 UNC 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.2501/420.2175" - .2211"
$96.00
1/4-28-TPG-2B-D/E-STL 1/4-28 UNF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.2501/428.2268" - .2311"
$96.00
1/4-28-TPG-3B-D/E-STL 1/4-28 UNF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.2501/428.2268" - .2300"
$96.00
1/4-32-TPG-2B-D/E-STL 1/4-32 UNEF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.2501/432.2297" - .2339"
$170.00
1/4-32-TPG-3B-D/E-STL 1/4-32 UNEF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.2501/432.2297" - .2328"
$170.00
11/16-24-TPG-2B-D/E-STL 11/16-24 UNEF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.687511/1624.6604" - .6656"
$221.00
11/16-24-TPG-3B-D/E-STL 11/16-24 UNEF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.687511/1624.6604" - .6643"
$221.00
13/16-20-TPG-2B-D/E-STL 13/16-20 UNEF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.812513/1620.7800" - .7857"
$218.00
13/16-20-TPG-3B-D/E-STL 13/16-20 UNEF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.812513/1620.7800" - .7843"
$218.00
15/16-20-TPG-2B-D/E-STL 15/16-20 UNEF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.937515/1620.9050" - .9109"
$238.00
15/16-20-TPG-3B-D/E-STL 15/16-20 UNEF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.937515/1620.9050" - .9094"
$238.00
3/4-10-TPG-2B-D/E-STL 3/4-10 UNC 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.7503/410.6850" - .6927"
$134.00
3/4-10-TPG-3B-D/E-STL 3/4-10 UNC 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.7503/410.6852" - .6907"
$134.00
3/4-16-TPG-2B-D/E-STL 3/4-16 UNF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.7503/416.7094" - .7159"
$134.00
3/4-16-TPG-3B-D/E-STL 3/4-16 UNF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.7503/416.7094" - .7143'
$134.00
3/4-20-TPG-2B-D/E-STL 3/4-20 UNEF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.7503/420.7175" - .7232"
$205.00
3/4-20-TPG-3B-D/E-STL 3/4-20 UNEF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.7503/420.7175" - .7218"
$205.00
3/8-16-TPG-2B-D/E-STL 3/8-16 UNC 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.3753/816.3344" - .3401"
$96.00
3/8-16-TPG-3B-D/E-STL 3/8-16 UNC 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.3753/816.3344" - .3387"
$96.00
3/8-24-TPG-2B-D/E-STL 3/8-24 UNF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.3753/824.3479" - .3528"
$96.00
3/8-24-TPG-3B-D/E-STL 3/8-24 UNF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.3753/824.3479" - .3516"
$96.00
3/8-32-TPG-2B-D/E-STL 3/8-32 UNEF 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.3753/832.3547" - .3591"
$185.00
3/8-32-TPG-3B-D/E-STL 3/8-32 UNEF 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.3753/832.3547" - .3580"
$185.00
5/16-18-TPG-2B-D/E-STL 5/16-18 UNC 2B Go/No Go STEEL Taperlock Plug Gage w/handle 0.31255/1618.2764" - .2817"
$96.00
5/16-18-TPG-3B-D/E-STL 5/16-18 UNC 3B Go/No Go STEEL Taperlock Plug Gage w/handle 0.31255/1618.2764" - .2803"
$96.00
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Additional Information

All of our unified thread plug gages are manufactured in the U.S.A. and include a traceable certificate to the National Institute of Standards and Technology -N.I.S.T..
AGD Taperlock and Reversible Styles
Unified Thread Series (UNC-UNF-UNEF)
Standard (ANSI/ASME B1.2) 'X’ Tolerance Class 2 B or 3B
Special gages including preplates, multiple lead, ACME, Buttress, extra length, etc. are priced promptly on request.
UNJ THREADS: NO EXTRA CHARGE

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