Thread Check Inc. Catalog 2025

STANDARD THREAD GAGES

Order No. Go Member

Order No. No Go Member

Price

Order No. Go/No Go Set

Price Gage Length Go

Gage Length No Go

PD Go

PD No Go

Handle #

Inch

(.3125) 5/16-24 UNF Taperlock Plug 2B 5/16-24-TPG-2B GO 5/16-24-TPG-2B NGO $53.00 5/16-24-TPG-2B-D/E $119.00 1/2" 5/16" .2854 .2902 1 Taperlock Plug 3B 5/16-24-TPG-3B GO 5/16-24-TPG-3B NGO 53.00 5/16-24-TPG-3B-D/E 119.00 1/2" 5/16" .2854 .2890 1 Reversible Plug 2B 5/16-24-TPG-2B GO-REV 5/16-24-TPG-2B NGO-REV 74.00 5/16-24-TPG-2B-D/E-REV 164.00 1" 1" .2854 .2902 4W Reversible Plug 3B 5/16-24-TPG-3B GO-REV 5/16-24-TPG-3B NGO-REV 74.00 5/16-24-TPG-3B-D/E-REV 164.00 1" 1" .2854 .2890 4W STI Plug 2B STI-5/16-24-2B-GO STI-5/16-24-2B-NGO 74.00 STI-5/16-24-2B-D/E 161.00 1/2" 5/16" .3395 .3433 1 STI Plug 3B STI-5/16-24-3B-GO STI-5/16-24-3B-NGO 74.00 STI-5/16-24-3B-D/E 161.00 1/2" 5/16" .3395 .3421 1 Ring 2A 5/16-24-TRG-2A GO 5/16-24-TRG-2A NGO 141.00 5/16-24-TRG-2A-SET 282.00 11/32" 11/32" .2843 .2806 2T Ring 3A 5/16-24-TRG-3A GO 5/16-24-TRG-3A NGO 141.00 5/16-24-TRG-3A-SET 282.00 11/32" 11/32" .2854 .2827 2T Set Plug 2A 5/16-24-TSP-2A GO 5/16-24-TSP-2A NGO 113.00 5/16-24-TSP-2A-D/E 239.00 3/4" 3/4" .2843 .2806 1 Set Plug 3A 5/16-24-TSP-3A GO 5/16-24-TSP-3A NGO 113.00 5/16-24-TSP-3A-D/E 239.00 3/4" 3/4" .2854 .2827 1 (.3125) 5/16-28 UN Taperlock Plug 2B 5/16-28-TPG-2B GO 5/16-28-TPG-2B NGO 149.00 5/16-28-TPG-2B-D/E 311.00 1/2" 5/16" .2893 .2937 1 Taperlock Plug 3B 5/16-28-TPG-3B GO 5/16-28-TPG-3B NGO 149.00 5/16-28-TPG-3B-D/E 311.00 1/2" 5/16" .2893 .2926 1 Ring 2A 5/16-28-TRG-2A GO 5/16-28-TRG-2A NGO 348.00 5/16-28-TRG-2A-SET 696.00 11/32" 11/32" .2883 .2849 2T Ring 3A 5/16-28-TRG-3A GO 5/16-28-TRG-3A NGO 348.00 5/16-28-TRG-3A-SET 696.00 11/32" 11/32" .2893 .2867 2T Set Plug 2A 5/16-28-TSP-2A GO 5/16-28-TSP-2A NGO 215.00 5/16-28-TSP-2A-D/E 443.00 3/4" 3/4" .2883 .2849 1 Set Plug 3A 5/16-28-TSP-3A GO 5/16-28-TSP-3A NGO 215.00 5/16-28-TSP-3A-D/E 443.00 3/4" 3/4" .2893 .2867 1 (.3125) 5/16-32 UNEF Taperlock Plug 2B 5/16-32-TPG-2B GO 5/16-32-TPG-2B NGO 90.00 5/16-32-TPG-2B-D/E 193.00 1/2" 5/16" .2922 .2964 1 Taperlock Plug 3B 5/16-32-TPG-3B GO 5/16-32-TPG-3B NGO 90.00 5/16-32-TPG-3B-D/E 193.00 1/2" 5/16" .2922 .2953 1 Reversible Plug 2B 5/16-32-TPG-2B GO-REV 5/16-32-TPG-2B NGO-REV 109.00 5/16-32-TPG-2B-D/E-REV 234.00 1" 1" .2922 .2964 4W Reversible Plug 3B 5/16-32-TPG-3B GO-REV 5/16-32-TPG-3B NGO-REV 109.00 5/16-32-TPG-3B D/E-REV 234.00 1" 1" .2922 .2953 4W Ring 2A 5/16-32-TRG-2A GO 5/16-32-TRG-2A NGO 191.00 5/16-32-TRG-2A-SET 382.00 11/32" 11/32" .2912 .2880 2T Ring 3A 5/16-32-TRG-3A GO 5/16-32-TRG-3A NGO 191.00 5/16-32-TRG-3A-SET 382.00 11/32" 11/32" .2922 .2898 2T Set Plug 2A 5/16-32-TSP-2A GO 5/16-32-TSP-2A NGO 159.00 5/16-32-TSP-2A-D/E 331.00 3/4" 3/4" .2912 .2880 1 Set Plug 3A 5/16-32-TSP-3A GO 5/16-32-TSP-3A NGO 159.00 5/16-32-TSP-3A-D/E 331.00 3/4" 3/4" .2922 .2898 1 (.375) 3/8-16 UNC Taperlock Plug 2B 3/8-16-TPG-2B GO 3/8-16-TPG-2B NGO 54.00 3/8-16-TPG-2B-D/E 122.00 3/4" 3/8" .3344 .3401 2 Taperlock Plug 3B 3/8-16-TPG-3B GO 3/8-16-TPG-3B NGO 54.00 3/8-16-TPG-3B-D/E 122.00 3/4" 3/8" .3344 .3387 2 Reversible Plug 2B 3/8-16-TPG-2B GO-REV 3/8-16-TPG-2B NGO-REV 76.00 3/8-16-TPG-2B-D/E-REV 168.00 1-1/8" 1-1/8" .3344 .3401 4W Reversible Plug 3B 3/8-16-TPG-3B GO-REV 3/8-16-TPG-3B NGO-REV 76.00 3/8-16-TPG-3B-D/E-REV 168.00 1-1/8" 1-1/8" .3344 .3387 4W STI Plug 2B STI-3/8-16-2B-GO STI-3/8-16-2B-NGO 76.00 STI-3/8-16-2B-D/E 166.00 3/4" 3/8" .4156 .4203 2 STI Plug 3B STI-3/8-16-3B-GO STI-3/8-16-3B-NGO 76.00 STI-3/8-16-3B-D/E 166.00 3/4" 3/8" .4156 .4189 2 Ring 2A 3/8-16-TRG-2A GO 3/8-16-TRG-2A NGO 148.00 3/8-16-TRG-2A-SET 296.00 7/16" 7/16" .3331 .3287 3T Ring 3A 3/8-16-TRG-3A GO 3/8-16-TRG-3A NGO 148.00 3/8-16-TRG-3A-SET 296.00 7/16" 7/16" .3344 .3311 3T Set Plug 2A 3/8-16-TSP-2A GO 3/8-16-TSP-2A NGO 118.00 3/8-16-TSP-2A-D/E 250.00 1" 1" .3331 .3287 2 Set Plug 3A 3/8-16-TSP-3A GO 3/8-16-TSP-3A NGO 118.00 3/8-16-TSP-3A-D/E 250.00 1" 1" .3344 .3311 2 (.375) 3/8-20 UN Taperlock Plug 2B 3/8-20-TPG-2B GO 3/8-20-TPG-2B NGO 132.00 3/8-20-TPG-2B-D/E 278.00 3/4" 3/8" .3425 .3479 2 Taperlock Plug 3B 3/8-20-TPG-3B GO 3/8-20-TPG-3B NGO 132.00 3/8-20-TPG-3B-D/E 278.00 3/4" 3/8" .3425 .3465 2 Ring 2A 3/8-20-TRG-2A GO 3/8-20-TRG-2A NGO 339.00 3/8-20-TRG-2A-SET 678.00 7/16" 7/16" .3413 .3372 3T Ring 3A 3/8-20-TRG-3A GO 3/8-20-TRG-3A NGO 339.00 3/8-20-TRG-3A-SET 678.00 7/16" 7/16" .3425 .3394 3T Set Plug 2A 3/8-20-TSP-2A GO 3/8-20-TSP-2A NGO 191.00 3/8-20-TSP-2A-D/E 396.00 1" 1" .3413 .3372 2 Set Plug 3A 3/8-20-TSP-3A GO 3/8-20-TSP-3A NGO 191.00 3/8-20-TSP-3A-D/E 396.00 1" 1" .3425 .3394 2

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Rev 3