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Unified "J" Series - (UNJC, UNJF, UNJEF) Thread Plug Gages

Starting at $46.00
  • Unified Thread "J" Series ( , UNJC, UNJF, UNJEF)
  • Taperlock style
  • Choice of Steel, Hard Chrome 
  • Standard (ANSI B1.1-2019) 'X' Tolerance,
  • Class 3B
  • Conform to ANSI / ASME Screw Thread Standards for Class X gages in every respect.
  • 100% Made in the USA
Thread Size:
Type of Assembly:
Item No. Thread Size Type of Assembly Gage Material Our Price QTY
A-P4-403BA 4-40UNJC Class 3B - Go & No Go w/Handle Hardened Steel $128.00
A-P4-403BG 4-40UNJC Class 3B - Go Member Only Hardened Steel $56.00
A-P4-403BNG 4-40UNJC Class 3B - No Go Member Only Hardened Steel $56.00
A-P4-483BA 4-48UNJF Class 3B - Go & No Go w/Handle Hardened Steel $130.00
A-P4-483BG 4-48UNJF Class 3B - Go Member Only Hardened Steel $57.00
A-P4-483BNG 4-48UNJF Class 3B - No Go Member Only Hardened Steel $57.00
A-P5-403BA 5-40UNJC Class 3B - Go & No Go w/Handle Hardened Steel $136.00
A-P5-403BG 5-40UNJC Class 3B - Go Member Only Hardened Steel $55.00
A-P5-403BNG 5-40UNJC Class 3B - No Go Member Only Hardened Steel $55.00
A-P5-443BA 5-44UNJF Class 3B - Go & No Go w/Handle Hardened Steel $136.00
A-P5-443BG 5-44UNJF Class 3B - Go Member Only Hardened Steel $55.00
A-P5-443BNG 5-44UNJF Class 3B - No Go Member Only Hardened Steel $55.00
A-P6-323BA 6-32UNJC Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P6-323BG 6-32UNJC Class 3B - Go Member Only Hardened Steel $49.00
A-P6-323BNG 6-32UNJC Class 3B - No Go Member Only Hardened Steel $49.00
A-P6-403BA 6-40UNJF Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P6-403BG 6-40UNJF Class 3B - Go Member Only Hardened Steel $49.00
A-P6-403BNG 6-40UNJF Class 3B - No Go Member Only Hardened Steel $49.00
A-P8-323BA 8-32UNJC Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P6-403BG 8-32UNJC Class 3B - Go Member Only Hardened Steel $49.00
A-P8-323BNG 8-32UNJC Class 3B - No Go Member Only Hardened Steel $49.00
A-P8-363BA 8-36UNJF Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P8-363BG 8-36UNJF Class 3B - Go Member Only Hardened Steel $49.00
A-P8-363BNG 8-36UNJF Class 3B - No Go Member Only Hardened Steel $49.00
A-P10-243BA 10-24UNJC Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P10-243BG 10-24UNJC Class 3B - Go Member Only Hardened Steel $49.00
A-P10-243BNG 10-24UNJC Class 3B - No Go Member Only Hardened Steel $49.00
A-P10-323BA 10-32UNJF Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P10-323BG 10-32UNJF Class 3B - Go Member Only Hardened Steel $49.00
A-P10-323BNG 10-32UNJF Class 3B - No Go Member Only Hardened Steel $49.00
A-P12-243BA 12-24UNJC Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P12-243BG 12-24UNJC Class 3B - Go Member Only Hardened Steel $49.00
A-P12-243BNG 12-24UNJC Class 3B - No Go Member Only Hardened Steel $49.00
A-P12-283BA 12-28UNJF Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P12-283BG 12-28UNJF Class 3B - Go Member Only Hardened Steel $49.00
A-P12-283BNG 12-28UNJF Class 3B - No Go Member Only Hardened Steel $49.00
A-P12-323BA 12-32UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $146.00
A-P12-323BG 12-32UNJEF Class 3B - Go Member Only Hardened Steel $65.00
A-P12-323BNG 12-32UNJEF Class 3B - No Go Member Only Hardened Steel $65.00
A-P1/4-203BA 1/4-20UNJC Class 3B - Go & No Go w/Handle Hardened Steel $110.00
A-P1/4-203BG 1/4-20UNJC Class 3B - Go Member Only Hardened Steel $47.00
A-P1/4-203BNG 1/4-20UNJC Class 3B - No Go Member Only Hardened Steel $47.00
A-P1/4-283BA 1/4-28UNJF Class 3B - Go & No Go w/Handle Hardened Steel $110.00
A-P1/4-283BG 1/4-28UNJF Class 3B - Go Member Only Hardened Steel $47.00
A-P1/4-283BNG 1/4-28UNJF Class 3B - No Go Member Only Hardened Steel $47.00
A-P1/4-323BA 1/4-32UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $168.00
A-P1/4-323BG 1/4-32UNJEF Class 3B - Go Member Only Hardened Steel $76.00
A-P1/4-323BNG 1/4-32UNJEF Class 3B - No Go Member Only Hardened Steel $76.00
A-P5/16-183BA 5/16-18UNJC Class 3B - Go & No Go w/Handle Hardened Steel $110.00
A-P5/16-183BG 5/16-18UNJC Class 3B - Go Member Only Hardened Steel $47.00
A-P5/16-183BNG 5/16-18UNJC Class 3B - No Go Member Only Hardened Steel $47.00
A-P5/16-243BA 5/16-24UNJF Class 3B - Go & No Go w/Handle Hardened Steel $110.00
A-P5/16-243BG 5/16-24UNJF Class 3B - Go Member Only Hardened Steel $47.00
A-P5/16-243BNG 5/16-24UNJF Class 3B - No Go Member Only Hardened Steel $47.00
A-P5/16-323BA 5/16-32UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $164.00
A-P5/16-323BG 5/16-32UNJEF Class 3B - Go Member Only Hardened Steel $74.00
A-P5/16-323BNG 5/16-32UNJEF Class 3B - No Go Member Only Hardened Steel $74.00
A-P3/8-163BA 3/8-16UNJC Class 3B - Go & No Go w/Handle Hardened Steel $108.00
A-P3/8-163BG 3/8-16UNJC Class 3B - Go Member Only Hardened Steel $46.00
A-P3/8-163BNG 3/8-16UNJC Class 3B - No Go Member Only Hardened Steel $46.00
A-P3/8-243BA 3/8- 24UNJF Class 3B - Go & No Go w/Handle Hardened Steel $108.00
A-P3/8-243BG 3/8- 24UNJF Class 3B - Go Member Only Hardened Steel $46.00
A-P3/8-243BNG 3/8- 24UNJF Class 3B - No Go Member Only Hardened Steel $46.00
A-P3/8-323BA 3/8- 32UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $184.00
A-P3/8-323BG 3/8- 32UNJEF Class 3B - Go Member Only Hardened Steel $84.00
A-P3/8-323BNG 3/8- 32UNJEF Class 3B - No Go Member Only Hardened Steel $84.00
A-P7/16-143BA 7/16-14UJNC Class 3B - Go & No Go w/Handle Hardened Steel $112.00
A-P7/16-143BG 7/16-14UJNC Class 3B - Go Member Only Hardened Steel $48.00
A-P7/16-143BNG 7/16-14UJNC Class 3B - No Go Member Only Hardened Steel $48.00
A-P7/16-203BA 7/16-20UJNF Class 3B - Go & No Go w/Handle Hardened Steel $114.00
A-P7/16-203BG 7/16-20UJNF Class 3B - Go Member Only Hardened Steel $49.00
A-P7/16-203BNG 7/16-20UJNF Class 3B - No Go Member Only Hardened Steel $49.00
A-P7/16-283BA 7/16-28UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $184.00
A-P7/16-283BG 7/16-28UNJEF Class 3B - Go Member Only Hardened Steel $84.00
A-P7/16-283BNG 7/16-28UNJEF Class 3B - No Go Member Only Hardened Steel $84.00
A-P1/2-133BA 1/2-13UNJC Class 3B - Go & No Go w/Handle Hardened Steel $116.00
A-P1/2-133BG 1/2-13UNJC Class 3B - Go Member Only Hardened Steel $50.00
A-P1/2-133BNG 1/2-13UNJC Class 3B - No Go Member Only Hardened Steel $50.00
A-P1/2-203BA 1/2-20UNJF Class 3B - Go & No Go w/Handle Hardened Steel $116.00
A-P1/2-203BG 1/2-20UNJF Class 3B - Go Member Only Hardened Steel $50.00
A-P1/2-203BNG 1/2-20UNJF Class 3B - No Go Member Only Hardened Steel $50.00
A-P1/2-283BA 1/2-28UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $186.00
A-P1/2-283BG 1/2-28UNJEF Class 3B - Go Member Only Hardened Steel $85.00
A-P1/2-283BNG 1/2-28UNJEF Class 3B - No Go Member Only Hardened Steel $85.00
A-P9/16-123BA 9/16-12UNJC Class 3B - Go & No Go w/Handle Hardened Steel $134.00
A-P9/16-123BG 9/16-12UNJC Class 3B - Go Member Only Hardened Steel $59.00
A-P9/16-123BNG 9/16-12UNJC Class 3B - No Go Member Only Hardened Steel $59.00
A-P9/16-183BA 9/16-18UNJF Class 3B - Go & No Go w/Handle Hardened Steel $134.00
A-P9/16-183BG 9/16-18UNJF Class 3B - Go Member Only Hardened Steel $59.00
A-P9/16-183BNG 9/16-18UNJF Class 3B - No Go Member Only Hardened Steel $59.00
A-P9/16-243BA 9/16-24UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $200.00
A-P9/16-243BG 9/16-24UNJEF Class 3B - Go Member Only Hardened Steel $92.00
A-P9/16-243BNG 9/16-24UNJEF Class 3B - No Go Member Only Hardened Steel $92.00
A-P5/8-113BA 5/8-11UNJC Class 3B - Go & No Go w/Handle Hardened Steel $136.00
A-P5/8-113BG 5/8-11UNJC Class 3B - Go Member Only Hardened Steel $60.00
A-P5/8-113BNG 5/8-11UNJC Class 3B - No Go Member Only Hardened Steel $60.00
A-P5/8-183BA 5/8-18UNJF Class 3B - Go & No Go w/Handle Hardened Steel $136.00
A-P5/8-183BG 5/8-18UNJF Class 3B - Go Member Only Hardened Steel $60.00
A-P5/8-183BNG 5/8-18UNJF Class 3B - No Go Member Only Hardened Steel $60.00
A-P5/8-243BA 5/8-24UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $200.00
A-P5/8-243BG 5/8-24UNJEF Class 3B - Go Member Only Hardened Steel $92.00
A-P5/8-243BNG 5/8-24UNJEF Class 3B - No Go Member Only Hardened Steel $92.00
A-P3/4-103BA 3/4-10UNJC Class 3B - Go & No Go w/Handle Hardened Steel $148.00
A-P3/4-103BG 3/4-10UNJC Class 3B - Go Member Only Hardened Steel $66.00
A-P3/4-103BNG 3/4-10UNJC Class 3B - No Go Member Only Hardened Steel $66.00
A-P3/4-163BA 3/4-16UNJF Class 3B - Go & No Go w/Handle Hardened Steel $148.00
A-P3/4-163BG 3/4-16UNJF Class 3B - Go Member Only Hardened Steel $66.00
A-P3/4-163BNG 3/4-16UNJF Class 3B - No Go Member Only Hardened Steel $66.00
A-P3/4-203BA 3/4-20UNEJF Class 3B - Go & No Go w/Handle Hardened Steel $200.00
A-P3/4-203BG 3/4-20UNEJF Class 3B - Go Member Only Hardened Steel $92.00
A-P3/4-203BNG 3/4-20UNEJF Class 3B - No Go Member Only Hardened Steel $92.00
A-P13/16-203BA 13/16-20UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $216.00
A-P13/16-203BG 13/16-20UNJEF Class 3B - Go Member Only Hardened Steel $100.00
A-P13/16-203BNG 13/16-20UNJEF Class 3B - No Go Member Only Hardened Steel $100.00
A-P7/8-93BA 7/8-9UNJC Class 3B - Go & No Go w/Handle Hardened Steel $154.00
A-P7/8-93BG 7/8-9UNJC Class 3B - Go Member Only Hardened Steel $69.00
A-P7/8-93BNG 7/8-9UNJC Class 3B - No Go Member Only Hardened Steel $69.00
A-P7/8-143BA 7/8-14UNJF Class 3B - Go & No Go w/Handle Hardened Steel $154.00
A-P7/8-143BG 7/8-14UNJF Class 3B - Go Member Only Hardened Steel $69.00
A-P7/8-143BNG 7/8-14UNJF Class 3B - No Go Member Only Hardened Steel $69.00
A-P7/8-203BA 7/8-20UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $230.00
A-P7/8-203BG 7/8-20UNJEF Class 3B - Go Member Only Hardened Steel $107.00
A-P7/8-203BNG 7/8-20UNJEF Class 3B - No Go Member Only Hardened Steel $107.00
A-P15/16-203BA 15/16-20UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $220.00
A-P15/16-203BG 15/16-20UNJEF Class 3B - Go Member Only Hardened Steel $107.00
A-P15/16-203BNG 15/16-20UNJEF Class 3B - No Go Member Only Hardened Steel $107.00
A-P1-83BA 1"-8UNJC Class 3B - Go & No Go w/Handle Hardened Steel $166.00
A-P1-83BG 1"-8UNJC Class 3B - Go Member Only Hardened Steel $75.00
A-P1-83BNG 1"-8UNJC Class 3B - No Go Member Only Hardened Steel $75.00
A-P1-123BA 1"-12UNJF Class 3B - Go & No Go w/Handle Hardened Steel $166.00
A-P1-123BG 1"-12UNJF Class 3B - Go Member Only Hardened Steel $75.00
A-P1-123BNG 1"-12UNJF Class 3B - No Go Member Only Hardened Steel $75.00
A-P1-143BA 1"-14UNJF Class 3B - Go & No Go w/Handle Hardened Steel $184.00
A-P1-143BG 1"-14UNJF Class 3B - Go Member Only Hardened Steel $84.00
A-P1-143BNG 1"-14UNJF Class 3B - No Go Member Only Hardened Steel $84.00
A-P1-203BA 1"-20UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $240.00
A-P1-203BG 1"-20UNJEF Class 3B - Go Member Only Hardened Steel $112.00
A-P1-203BNG 1"-20UNJEF Class 3B - No Go Member Only Hardened Steel $112.00
A-P1-1/16-123BA 1-1/6-12UNJ Class 3B - Go & No Go w/Handle Hardened Steel $274.00
A-P1-1/16-123BG 1-1/6-12UNJ Class 3B - Go Member Only Hardened Steel $129.00
A-P1-1/16-123BNG 1-1/6-12UNJ Class 3B - No Go Member Only Hardened Steel $129.00
A-P1-1/16-183BA 1-1/16"-18UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $254.00
A-P1-1/16-183BG 1-1/16"-18UNJEF Class 3B - Go Member Only Hardened Steel $119.00
A-P1-1/16-183BNG 1-1/16"-18UNJEF Class 3B - No Go Member Only Hardened Steel $119.00
A-P1-1/8-73BA 1-1/8"-7UNJC Class 3B - Go & No Go w/Handle Hardened Steel $204.00
A-P1-1/8-73BG 1-1/8"-7UNJC Class 3B - Go Member Only Hardened Steel $94.00
A-P1-1/8-73BNG 1-1/8"-7UNJC Class 3B - No Go Member Only Hardened Steel $94.00
A-P1-1/8-123BA 1-1/8"-12UNJF Class 3B - Go & No Go w/Handle Hardened Steel $202.00
A-P1-1/8-123BG 1-1/8"-12UNJF Class 3B - Go Member Only Hardened Steel $93.00
A-P1-1/8-123BNG 1-1/8"-12UNJF Class 3B - No Go Member Only Hardened Steel $93.00
A-P1-1/8-183BA 1-1/8"-18UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $255.00
A-P1-1/8-183BG 1-1/8"-18UNJEF Class 3B - Go Member Only Hardened Steel $119.00
A-P1-1/8-183BNG 1-1/8"-18UNJEF Class 3B - No Go Member Only Hardened Steel $119.00
A-P1-3/16-123BA 1-3/16"-12UNJF Class 3B - Go & No Go w/Handle Hardened Steel $321.00
A-P1-3/16-123BG 1-3/16"-12UNJF Class 3B - Go Member Only Hardened Steel $152.00
A-P1-3/16-123BNG 1-3/16"-12UNJF Class 3B - No Go Member Only Hardened Steel $152.00
A-P1-3/16-183BA 1-3/16"-18UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $261.00
A-P1-3/16-183BG 1-3/16"-18UNJEF Class 3B - Go Member Only Hardened Steel $122.00
A-P1-3/16-183BNG 1-3/16"-18UNJEF Class 3B - No Go Member Only Hardened Steel $122.00
A-P1-1/4-73BA 1-1/4"-7UNJC Class 3B - Go & No Go w/Handle Hardened Steel $259.00
A-P1-1/4-73BG 1-1/4"-7UNJC Class 3B - Go Member Only Hardened Steel $121.00
A-P1-1/4-73BNG 1-1/4"-7UNJC Class 3B - No Go Member Only Hardened Steel $121.00
A-P1-1/4-123BA 1-1/4-12UNJF Class 3B - Go & No Go w/Handle Hardened Steel $215.00
A-P1-1/4-123BG 1-1/4-12UNJF Class 3B - Go Member Only Hardened Steel $99.00
A-P1-1/4-123BNG 1-1/4-12UNJF Class 3B - No Go Member Only Hardened Steel $99.00
A-P1-1/4-183BA 1-1/4-18UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $263.00
A-P1-1/4-183BG 1-1/4-18UNJEF Class 3B - Go Member Only Hardened Steel $123.00
A-P1-1/4-183BNG 1-1/4-18UNJEF Class 3B - No Go Member Only Hardened Steel $123.00
A-P1-5/16-123BA 1-5/16-12UNJF Class 3B - Go & No Go w/Handle Hardened Steel $345.00
A-P1-5/16-123BG 1-5/16-12UNJF Class 3B - Go Member Only Hardened Steel $164.00
A-P1-5/16-123BNG 1-5/16-12UNJF Class 3B - No Go Member Only Hardened Steel $164.00
A-P1-5/16-183BA 1-5/16-18UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $287.00
A-P1-5/16-183BG 1-5/16-18UNJEF Class 3B - Go Member Only Hardened Steel $135.00
A-P1-5/16-183BNG 1-5/16-18UNJEF Class 3B - No Go Member Only Hardened Steel $135.00
A-P1-3/8-63BA 1-3/8-6UNJC Class 3B - Go & No Go w/Handle Hardened Steel $251.00
A-P1-3/8-63BG 1-3/8-6UNJC Class 3B - Go Member Only Hardened Steel $117.00
A-P1-3/8-63BNG 1-3/8-6UNJC Class 3B - No Go Member Only Hardened Steel $117.00
A-P1-3/8-123BA 1-3/8-12UNJF Class 3B - Go & No Go w/Handle Hardened Steel $245.00
A-P1-3/8-123BG 1-3/8-12UNJF Class 3B - Go Member Only Hardened Steel $114.00
A-P1-3/8-123BNG 1-3/8-12UNJF Class 3B - No Go Member Only Hardened Steel $114.00
A-P1-3/8-183BA 1-3/8-18UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $309.00
A-P1-3/8-183BG 1-3/8-18UNJEF Class 3B - Go Member Only Hardened Steel $146.00
A-P1-3/8-183BNG 1-3/8-18UNJEF Class 3B - No Go Member Only Hardened Steel $146.00
A-P1-7/16-123BA 1-7/16-12UNJF Class 3B - Go & No Go w/Handle Hardened Steel $371.00
A-P1-7/16-123BG 1-7/16-12UNJF Class 3B - Go Member Only Hardened Steel $177.00
A-P1-7/16-123BNG 1-7/16-12UNJF Class 3B - No Go Member Only Hardened Steel $177.00
A-P1-7/16-183BA 1-7/16-18UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $311.00
A-P1-7/16-183BG 1-7/16-18UNJEF Class 3B - Go Member Only Hardened Steel $147.00
A-P1-7/16-183BNG 1-7/16-18UNJEF Class 3B - No Go Member Only Hardened Steel $147.00
A-P1-1/2-63BA 1-1/2-6UNJC Class 3B - Go & No Go w/Handle Hardened Steel $243.00
A-P1-1/2-63BG 1-1/2-6UNJC Class 3B - Go Member Only Hardened Steel $113.00
A-P1-1/2-63BNG 1-1/2-6UNJC Class 3B - No Go Member Only Hardened Steel $113.00
A-P1-1/2-123BA 1-1/2-12UNJF Class 3B - Go & No Go w/Handle Hardened Steel $259.00
A-P1-1/2-123BG 1-1/2-12UNJF Class 3B - Go Member Only Hardened Steel $121.00
A-P1-1/2-123BNG 1-1/2-12UNJF Class 3B - No Go Member Only Hardened Steel $121.00
A-P1-1/2-183BA 1-1/2-18UNJEF Class 3B - Go & No Go w/Handle Hardened Steel $331.00
A-P1-1/2-183BG 1-1/2-18UNJEF Class 3B - Go Member Only Hardened Steel $157.00
A-P1-1/2-183BNG 1-1/2-18UNJEF Class 3B - No Go Member Only Hardened Steel $157.00