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h stock standard, ) check stock EU, f check stock JP, m stock exhaustion

EG(STI) UNC TCTR Ø Hole Ø Code THCHT LF THL LU LS DCON K LK NOF Type Stock Intro
(tolerance) (mm) (mm) (chamfer) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch )
ANSI
GH1 2.35 2.4 TUUN2E1NEB5 5P 2.205 0.354 0.709 1.28 0.14 0.11 0.187 3 005 f
GH1 2.35 2.4 TUUN2E1NEBA 1.5P 2.205 0.354 0.709 1.28 0.14 0.11 0.187 3 005 f SP
STI No.2-56UNC
GH2 2.35 2.4 TUUN2E2NEB5 5P 2.205 0.354 0.709 1.28 0.14 0.11 0.187 3 005 f
GH2 2.35 2.4 TUUN2E2NEBA 1.5P 2.205 0.354 0.709 1.28 0.14 0.11 0.187 3 005 f
GH1 3.1 3.13 TUUN4H1NEB5 5P 2.48 0.512 0.827 1.496 0.17 0.131 0.25 3 005 f
SL
GH1 3.1 3.13 TUUN4H1NEBA 1.5P 2.48 0.512 0.827 1.496 0.17 0.131 0.25 3 005 f
STI No.4-40UNC
GH2 3.1 3.13 TUUN4H2NEB5 5P 2.48 0.512 0.827 1.496 0.17 0.131 0.25 3 005 f
GH2 3.1 3.13 TUUN4H2NEBA 1.5P 2.48 0.512 0.827 1.496 0.17 0.131 0.25 3 005 f
GH1 3.8 3.83 TUUN6J1NEB5 5P 2.756 0.551 0.945 1.654 0.19 0.131 0.25 3 005 f
PO
GH1 3.8 3.83 TUUN6J1NEBA 1.5P 2.756 0.551 0.945 1.654 0.19 0.131 0.25 3 005 f
STI No.6-32UNC
GH2 3.8 3.83 TUUN6J2NEB5 5P 2.756 0.551 0.945 1.654 0.19 0.131 0.25 3 005 f
GH2 3.8 3.83 TUUN6J2NEBA 1.5P 2.756 0.551 0.945 1.654 0.19 0.131 0.25 3 005 f
GH1 4.4 4.48 TUUN8J1NEB5 5P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 3 005 f ST
GH1 4.4 4.48 TUUN8J1NEBA 1.5P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 3 005 f
STI No.8-32UNC
GH2 4.4 4.48 TUUN8J2NEB5 5P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 3 005 f
GH2 4.4 4.48 TUUN8J2NEBA 1.5P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 3 005 f
ROLL
GH2 5.2 5.23 TUUNAM2NEB5 5P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f
GH2 5.2 5.23 TUUNAM2NEBA 1.5P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f
STI No.10-24UNC
GH3 5.2 5.23 TUUNAM3NEB5 5P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f
GH3 5.2 5.23 TUUNAM3NEBA 1.5P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f CARBIDE
GH2 6.8 6.81 TUU04N2NEB5 5P 3.543 0.748 1.378 1.831 0.32 0.238 0.375 3 006 f
GH2 6.8 6.81 TUU04N2NEBA 1.5P 3.543 0.748 1.378 1.831 0.32 0.238 0.375 3 006 f
STI 1/4-20UNC
GH3 6.8 6.81 TUU04N3NEB5 5P 3.543 0.748 1.378 1.831 0.32 0.238 0.375 3 006 f
LONG
GH3 6.8 6.81 TUU04N3NEBA 1.5P 3.543 0.748 1.378 1.831 0.32 0.238 0.375 3 006 f
GH2 8.4 8.43 TUU05O2NEB5 5P 3.937 0.906 1.535 2.067 0.38 0.286 0.437 4 006 f
GH2 8.4 8.43 TUU05O2NEBA 1.5P 3.937 0.906 1.535 2.067 0.38 0.286 0.437 4 006 f
STI 5/16-18UNC
GH3 8.4 8.43 TUU05O3NEB5 5P 3.937 0.906 1.535 2.067 0.38 0.286 0.437 4 006 f HAND
GH3 8.4 8.43 TUU05O3NEBA 1.5P 3.937 0.906 1.535 2.067 0.38 0.286 0.437 4 006 f TAPS
GH3 10 10.06 TUU06P3NEB5 5P 4.331 1.024 - 2.205 0.37 0.275 0.437 4 007 f
GH3 10 10.06 TUU06P3NEBA 1.5P 4.331 1.024 - 2.205 0.37 0.275 0.437 4 007 f
STI 3/8-16UNC
GH4 10 10.06 TUU06P4NEB5 5P 4.331 1.024 - 2.205 0.37 0.275 0.437 4 007 f EG (STI)
GH4 10 10.06 TUU06P4NEBA 1.5P 4.331 1.024 - 2.205 0.37 0.275 0.437 4 007 f
ANSI
GH3 11.7 11.71 TUU07Q3NEB5 5P 4.331 1.024 - 2.205 0.43 0.322 0.5 4 007 f
GH3 11.7 11.71 TUU07Q3NEBA 1.5P 4.331 1.024 - 2.205 0.43 0.322 0.5 4 007 f SPECIAL
STI 7/16-14UNC THREADS,
GH4 11.7 11.71 TUU07Q4NEB5 5P 4.331 1.024 - 2.205 0.43 0.322 0.5 4 007 f
GAUGES
GH4 11.7 11.71 TUU07Q4NEBA 1.5P 4.331 1.024 - 2.205 0.43 0.322 0.5 4 007 f
GH3 13.2 13.33 TUU08R3NEB5 5P 4.331 1.024 - 2.205 0.48 0.36 0.562 4 007 f
GH3 13.2 13.33 TUU08R3NEBA 1.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 4 007 f THREAD
STI 1/2-13UNC MILLS
GH4 13.2 13.33 TUU08R4NEB5 5P 4.331 1.024 - 2.205 0.48 0.36 0.562 4 007 f
GH4 13.2 13.33 TUU08R4NEBA 1.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 4 007 f

EG(STI) UNF TCTR Ø Hole Ø Code THCHT LF THL LU LS DCON K LK NOF Type Stock DIES
(tolerance) (mm) (mm) (chamfer) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch )
ANSI
GH2 5.1 5.14 TUUNAJ2NEB5 5P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f
GH2 5.1 5.14 TUUNAJ2NEBA 1.5P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f CENTER
STI No.10-32UNF
GH3 5.1 5.14 TUUNAJ3NEB5 5P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f DRILLS
GH3 5.1 5.14 TUUNAJ3NEBA 1.5P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f

Technical
info

The most suitable GH tap class to cut accurate 2B, 3B (UNJ) and 2B oversized internal threads tolerance, depends
on application conditions and work-piece materials. Yamawa GH class system off ers a wide range of alternative
tap classes allowing each customer to select the most suitable one according to application requirement. 539
Check page 673 of Technical info for full details.