nd TapO lverall ength LThread length T ℓhread+Neck length ℓnShank length ℓsShank dia. DsSize of square KLength of square ℓk
Size TOXSTIHClass and TaCode ps for HelicChamfer al CoilL (inch) Wireℓ (inch) Screwℓn (inch) Threaℓs (inch) d InsDs (inch) erts, OK (mm) xidedℓk (mm)No. of flutesType
STI 1/4-20UNCGH2 GH3TUU04N2NEX5 TUU04N2NEXA TUU04N3NEX5 TUU04N3NEXA5P 1.5P 5P 1.5P3.5430.7481.3781.8310.3180.2380.37532
STI 1/4-28UNFGH2 GH3TUU04K2NEX5 TUU04K2NEXA TUU04K3NEX5 TUU04K3NEXA5P 1.5P 5P 1.5P3.5430.7481.3781.8310.3180.2380.37532
STI 5/16-18UNCGH2 GH3TUU05O2NEX5 TUU05O2NEXA TUU05O3NEX5 TUU05O3NEXA5P 1.5P 5P 1.5P3.9370.9061.5352.0670.3810.2860.43742
STI 5/16-24UNFGH2 GH3TUU05M2NEX5 TUU05M2NEXA TUU05M3NEX5 TUU05M3NEXA5P 1.5P 5P 1.5P3.9370.9061.5352.0280.3810.2860.43742
STI 3/8-16UNCGH3 GH4TUU06P3NEX5 TUU06P3NEXA TUU06P4NEX5 TUU06P4NEXA5P 1.5P 5P 1.5P4.3311.024-2.2050.3670.2750.43743
STI 3/8-24UNFGH2 GH3TUU06M2NEX5 TUU06M2NEXA TUU06M3NEX5 TUU06M3NEXA5P 1.5P 5P 1.5P3.9370.906-2.0080.3230.2420.40643
STI 7/16-14UNCGH3 GH4TUU07Q3NEX5 TUU07Q3NEXA TUU07Q4NEX5 TUU07Q4NEXA5P 1.5P 5P 1.5P4.3311.024-2.2050.4290.3220.543
STI 7/16-20UNFGH3 GH4TUU07N3NEX5 TUU07N3NEXA TUU07N4NEX5 TUU07N4NEXA5P 1.5P 5P 1.5P4.3311.024-2.2050.4290.3220.543
STI 1/2-13UNCGH3 GH4TUU08R3NEX5 TUU08R3NEXA TUU08R4NEX5 TUU08R4NEXA5P 1.5P 5P 1.5P4.3311.024-2.2050.480.360.56243
STI 1/2-20UNFGH3 GH4TUU08N3NEX5 TUU08N3NEXA TUU08N4NEX5 TUU08N4NEXA5P 1.5P 5P 1.5P4.3311.024-2.2050.480.360.56243