
h stock standard, ) check stock EU, f check stock JP, m stock exhaustion UNC TCTR Ø Hole Ø(tolerance)(mm)(mm)CodeTHCHT(chamfer)LF LT THL LU LS DCON K LK(inch)(inch)(inch)(inch)(inch)(inch)(inch)(inch)NOFTypeStockIntro ANSI GH1 1.8 1.83 SSUN2E1NEB 2.5P 1.772 - 0.314 - 1.161 0.14 0.11 0.187 2 004 f No.2-56UNC GH2 1.8 1.83 SSUN2E2NEB 2.5P 1.772 - 0.314 - 1.161 0.14 0.11 0.187 2 004 f SP No.3-48UNC GH1 2.09 2.1 SSUN3F1NEB 2.5P 2.205 - 0.354 0.669 1.28 0.14 0.11 0.187 2 005 f ANSI GH2 2.09 2.1 SSUN3F2NEB 2.5P 2.205 - 0.354 0.669 1.28 0.14 0.11 0.187 2 005 f GH1 2.3 2.33 SSUN4H1NEB 2.5P 2.205 - 0.354 0.709 1.28 0.14 0.11 0.187 2 005 f No.4-40UNC GH2 2.3 2.33 SSUN4H2NEB 2.5P 2.205 - 0.354 0.709 1.28 0.14 0.11 0.187 2 005 f SL GH1 2.6 2.64 SSUN5H1NEB 2.5P 2.205 - 0.433 0.768 1.358 0.14 0.11 0.187 2 005 f No.5-40UNC GH2 2.6 2.64 SSUN5H2NEB 2.5P 2.205 - 0.433 0.768 1.358 0.14 0.11 0.187 2 005 f GH1 2.8 2.83 SSUN6J1NEB 2.5P 2.205 - 0.433 0.768 1.358 0.14 0.11 0.187 3 005 f PO GH2 2.8 2.83 SSUN6J2NEB 2.5P 2.205 - 0.433 0.768 1.358 0.14 0.11 0.187 3 005 f No.6-32UNC GH3 2.8 2.83 SSUN6J3NEB 2.5P 2.205 - 0.433 0.768 1.358 0.14 0.11 0.187 3 005 f GH4 2.8 2.83 SSUN6J4NEB 2.5P 2.205 - 0.433 0.768 1.358 0.14 0.11 0.187 3 005 f GH2 3.4 3.47 SSUN8J2NEB 2.5P 2.48 - 0.512 0.827 1.535 0.17 0.131 0.25 3 005 f ST No.8-32UNC GH3 3.4 3.47 SSUN8J3NEB 2.5P 2.48 - 0.512 0.827 1.535 0.17 0.131 0.25 3 005 f GH2 3.89 3.9 SSUNAM2NEB 2.5P 2.756 - 0.551 0.984 1.654 0.19 0.152 0.25 3 005 f No.10-24UNC GH3 3.89 3.9 SSUNAM3NEB 2.5P 2.756 - 0.551 0.984 1.654 0.19 0.152 0.25 3 005 f GH2 4.5 4.53 SSUNCM2NEB 2.5P 3.15 - 0.591 0.984 1.929 0.22 0.165 0.281 3 005 f ROLL No.12-24UNC GH3 4.5 4.53 SSUNCM3NEB 2.5P 3.15 - 0.591 0.984 1.929 0.22 0.165 0.281 3 005 f GH2 5.1 5.19 SSU04N2NEB 2.5P 3.15 - 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f 1/4-20UNC GH3 5.1 5.19 SSU04N3NEB 2.5P 3.15 - 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f CARBIDE GH5 5.1 5.19 SSU04N5NEB 2.5P 3.15 - 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f GH11 5.1 5.19 SSU04N-EEB 2.5P 3.15 - 0.591 1.181 1.713 0.26 0.191 0.312 3 005 f GH2 6.6 6.65 SSU05O2NEB 2.5P 3.543 - 0.748 1.378 1.831 0.32 0.238 0.375 3 006 f GH3 6.6 6.65 SSU05O3NEB 2.5P 3.543 - 0.748 1.378 1.831 0.32 0.238 0.375 3 006 f LONG 5/16-18UNC GH5 6.6 6.65 SSU05O5NEB 2.5P 3.543 - 0.748 1.378 1.831 0.32 0.238 0.375 3 006 f GH11 6.6 6.65 SSU05O-EEB 2.5P 3.543 - 0.748 1.378 1.831 0.32 0.238 0.375 3 006 f GH3 8 8.07 SSU06P3NEB 2.5P 3.937 - 0.906 1.535 2.028 0.38 0.286 0.437 3 006 f HAND GH4 8 8.07 SSU06P4NEB 2.5P 3.937 - 0.906 1.535 2.028 0.38 0.286 0.437 3 006 f TAPS 3/8-16UNC GH5 8 8.07 SSU06P5NEB 2.5P 3.937 - 0.906 1.535 2.028 0.38 0.286 0.437 3 006 f GH11 8 8.07 SSU06P-EEB 2.5P 3.937 - 0.906 1.535 2.028 0.38 0.286 0.437 3 006 f GH3 9.4 9.45 SSU07Q3NEB 2.5P 3.937 - 0.906 - 2.008 0.32 0.242 0.406 3 007 f EG (STI) 7/16-14UNC GH4 9.4 9.45 SSU07Q4NEB 2.5P 3.937 - 0.906 - 2.008 0.32 0.242 0.406 3 007 f GH5 9.4 9.45 SSU07Q5NEB 2.5P 3.937 - 0.906 - 2.008 0.32 0.242 0.406 3 007 f GH3 10.9 10.91 SSU08R3NEB 2.5P 4.331 - 1.024 - 2.205 0.37 0.275 0.437 3 007 f SPECIAL 1/2-13UNC GH4 10.9 10.91 SSU08R4NEB 2.5P 4.331 - 1.024 - 2.205 0.37 0.275 0.437 3 007 f THREADS,GAUGES GH5 10.9 10.91 SSU08R5NEB 2.5P 4.331 - 1.024 - 2.205 0.37 0.275 0.437 3 007 f GH11 10.9 10.91 SSU08R-EEB 2.5P 4.331 - 1.024 - 2.205 0.37 0.275 0.437 3 007 f GH3 12.2 12.33 SSU09S3NEB 2.5P 4.331 - 1.024 - 2.205 0.43 0.322 0.5 3 007 f THREAD 9/16-12UNC GH4 12.2 12.33 SSU09S4NEB 2.5P 4.331 - 1.024 - 2.205 0.43 0.322 0.5 3 007 f MILLS GH5 12.2 12.33 SSU09S5NEB 2.5P 4.331 - 1.024 - 2.205 0.43 0.322 0.5 3 007 f GH3 13.6 13.75 SSU10U3NEB 2.5P 4.331 - 1.024 - 2.205 0.48 0.36 0.562 3 007 f GH4 13.6 13.75 SSU10U4NEB 2.5P 4.331 - 1.024 - 2.205 0.48 0.36 0.562 3 007 f DIES 5/8-11UNC GH5 13.6 13.75 SSU10U5NEB 2.5P 4.331 - 1.024 - 2.205 0.48 0.36 0.562 3 007 f GH11 13.6 13.75 SSU10U-EEB 2.5P 4.331 - 1.024 - 2.205 0.48 0.36 0.562 3 007 f GH3 16.6 16.7 SSU12V3NEB 2.5P 4.921 - 1.299 - 2.52 0.59 0.442 0.687 4 007 f CENTER 3/4-10UNC GH5 16.6 16.7 SSU12V5NEB 2.5P 4.921 - 1.299 - 2.52 0.59 0.442 0.687 4 007 f DRILLS GH11 16.6 16.7 SSU12V-EEB 2.5P 4.921 - 1.299 - 2.52 0.59 0.442 0.687 4 007 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 offers a wide range of alternative tap classes allowing each customer to select the most suitable one according to application requirement. 177 Check page 673 of Technical info for full details.