h stock standard, ) check stock EU, f check stock JP, m stock exhaustion UNC TCTR Ø Hole Ø(tolerance)(mm)(mm)CodeTHCHT(chamfer)LF(inch)THL(inch) LU(inch) LS DCON K(inch)(inch)(inch)LK(inch)NOFTypeStockIntro ANSI GH4 22.3 22.45 TSU16X4NEB5 5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 007 f GH4 22.3 22.45 TSU16X4NEBA 1.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 007 f SP GH5 22.3 22.45 TSU16X5NEB5 5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 007 f GH5 22.3 22.45 TSU16X5NEBA 1.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 007 f 1 -8UNC GH6 22.3 22.45 TSU16X6NEB5 5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 007 f GH6 22.3 22.45 TSU16X6NEBA 1.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 007 f SL GH7 22.3 22.45 TSU16X7NEB5 5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 007 f GH7 22.3 22.45 TSU16X7NEBA 1.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 007 f GH6 25 25.17 TSU18Y6NEB5 5P 7.087 1.732 - 3.622 0.9 0.672 0.875 4 007 f PO GH6 25 25.17 TSU18Y6NEBA 1.5P 7.087 1.732 - 3.622 0.9 0.672 0.875 4 007 f 1 1/8-7UNC GH7 25 25.17 TSU18Y7NEB5 5P 7.087 1.732 - 3.622 0.9 0.672 0.875 4 007 f GH7 25 25.17 TSU18Y7NEBA 1.5P 7.087 1.732 - 3.622 0.9 0.672 0.875 4 007 f GH6 28.2 28.35 TSU20Y6NEB5 5P 7.087 1.929 - 3.622 1.02 0.766 1 4 007 f ST 1 1/4-7UNC GH6 28.2 28.35 TSU20Y6NEBA 1.5P 7.087 1.929 - 3.622 1.02 0.766 1 4 007 f ANSI GH8 28.2 28.35 TSU20Y8NEB5 5P 7.087 1.929 - 3.622 1.02 0.766 1 4 007 f GH8 28.2 28.35 TSU20Y8NEBA 1.5P 7.087 1.929 - 3.622 1.02 0.766 1 4 007 f GH6 30.8 30.92 TSU22Z6NEB5 5P 7.874 2.165 - 4.016 1.11 0.831 1.062 4 007 f ROLL GH6 30.8 30.92 TSU22Z6NEBA 1.5P 7.874 2.165 - 4.016 1.11 0.831 1.062 4 007 f 1 3/8-6UNC GH8 30.8 30.92 TSU22Z8NEB5 5P 7.874 2.165 - 4.016 1.11 0.831 1.062 4 007 f GH8 30.8 30.92 TSU22Z8NEBA 1.5P 7.874 2.165 - 4.016 1.11 0.831 1.062 4 007 f CARBIDE GH6 34 34.1 TSU24Z6NEB5 5P 7.874 2.323 - 4.016 1.23 0.925 1.125 4 007 f GH6 34 34.1 TSU24Z6NEBA 1.5P 7.874 2.323 - 4.016 1.23 0.925 1.125 4 007 f 1 1/2-6UNC GH8 34 34.1 TSU24Z8NEB5 5P 7.874 2.323 - 4.016 1.23 0.925 1.125 4 007 f GH8 34 34.1 TSU24Z8NEBA 1.5P 7.874 2.323 - 4.016 1.23 0.925 1.125 4 007 f LONG UNF TCTR Ø Hole Ø(tolerance)(mm)(mm)CodeTHCHT(chamfer)LF(inch)THL(inch) LU(inch) LS DCON K(inch)(inch)(inch)LK(inch)NOFTypeStock ANSI HAND GH1 1.25 1.27 TSUN0B1NEB5 5P 1.772 0.236 - 1.161 0.14 0.11 0.187 2 004 f TAPS GH1 1.25 1.27 TSUN0B1NEBA 1.5P 1.772 0.236 - 1.161 0.14 0.11 0.187 2 004 f No.0-80UNF GH2 1.25 1.27 TSUN0B2NEB5 5P 1.772 0.236 - 1.161 0.14 0.11 0.187 2 004 f GH2 1.25 1.27 TSUN0B2NEBA 1.5P 1.772 0.236 - 1.161 0.14 0.11 0.187 2 004 f EG (STI) GH1 1.55 1.58 TSUN1C1NEB5 5P 1.772 0.275 - 1.161 0.14 0.11 0.187 2 004 f GH1 1.55 1.58 TSUN1C1NEBA 1.5P 1.772 0.275 - 1.161 0.14 0.11 0.187 2 004 f No.1-72UNF GH2 1.55 1.58 TSUN1C2NEB5 5P 1.772 0.275 - 1.161 0.14 0.11 0.187 2 004 f SPECIAL GH2 1.55 1.58 TSUN1C2NEBA 1.5P 1.772 0.275 - 1.161 0.14 0.11 0.187 2 004 f THREADS,GAUGES GH1 1.85 1.87 TSUN2D1NEB5 5P 1.772 0.314 - 1.161 0.14 0.11 0.187 3 004 f GH1 1.85 1.87 TSUN2D1NEBA 1.5P 1.772 0.314 - 1.161 0.14 0.11 0.187 3 004 f No.2-64UNF GH2 1.85 1.87 TSUN2D2NEB5 5P 1.772 0.314 - 1.161 0.14 0.11 0.187 3 004 f THREAD GH2 1.85 1.87 TSUN2D2NEBA 1.5P 1.772 0.314 - 1.161 0.14 0.11 0.187 3 004 f MILLS GH1 2.1 2.15 TSUN3E1NEB5 5P 2.205 0.354 0.669 1.28 0.14 0.11 0.187 3 005 f GH1 2.1 2.15 TSUN3E1NEBA 1.5P 2.205 0.354 0.669 1.28 0.14 0.11 0.187 3 005 f No.3-56UNF GH2 2.1 2.15 TSUN3E2NEB5 5P 2.205 0.354 0.669 1.28 0.14 0.11 0.187 3 005 f DIES GH2 2.1 2.15 TSUN3E2NEBA 1.5P 2.205 0.354 0.669 1.28 0.14 0.11 0.187 3 005 f GH1 2.4 2.41 TSUN4F1NEB5 5P 2.205 0.354 0.709 1.28 0.14 0.11 0.187 3 005 f No.4-48UNF GH1 2.4 2.41 TSUN4F1NEBA 1.5P 2.205 0.354 0.709 1.28 0.14 0.11 0.187 3 005 f CENTERGH22.42.41TSUN4F2NEB55P2.2050.3540.7091.280.140.110.1873005fDRILLS GH2 2.4 2.41 TSUN4F2NEBA 1.5P 2.205 0.354 0.709 1.28 0.14 0.11 0.187 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 offers a wide range of alternative tap classes allowing each customer to select the most suitable one according to application requirement. 343 Check page 673 of Technical info for full details.