Description of productsTechnical Information 14. Tap, Thread Limits Unit:mm ■ for Unified Threads Unit:mm MajorDiameter Pitch Diameter MinorDiameter MajorDiameterPitch Diameter MinorDiameter Size Class Basic Upper LowerBasicToleranceToleranceBasic Size Class Basic Upper LowerBasicToleranceToleranceBasic Size Size ( μ m) ( μ m) Size Size Size ( μ m) ( μ m) Size + + + + M 44 ×4 P6 44.000 41.402 120 80 39.670 P1 25 10 M 44 ×3 P5 44.000 42.051 100 60 40.752 G5 64 51 No. 0 - 80 UNF 1.524 1.318 1.181 M 44 ×2 P4 44.000 42.701 80 40 41.835 2B 26 11 M 44 × 1.5 P4 44.000 43.026 80 60 42.376 GH1 12.7 0 P5 100 60 P1 25 10 M 45 × 4.5 45.000 42.077 40.129 ISO2 125 75 No. 1 - 64 UNC 2B 1.854 1.598 28 12 1.425 M 45 ×4 P6 45.000 42.402 120 80 40.670 GH1 12.7 0 P5 100 60 P1 25 10 M 45 ×3 45.000 43.051 41.752 ISO2 106 64 G5 64 51 No. 1 - 72 UNF 1.854 1.626 1.473 P4 80 40 2B 28 12 M 45 ×2 45.000 43.701 42.835 ISO2 90 54 GH1 12.7 0 P4 80 60 P1 25 10 M 45 × 1.5 45.000 44.026 43.376 ISO2 80 48 G4 51 38 No. 2 - 56 UNC 2.184 1.890 1.694 M 45 ×1 P3 45.000 44.350 60 40 43.917 2B 30 13 P5 100 60 GH1 12.7 0 M 48 ×5 48.000 44.752 42.587 ISO2 133 80 P1 25 10 M 48 ×4 P6 48.000 45.402 120 80 43.670 No. 2 - 64 UNF 2B 2.184 1.928 29 12 1.755 P6 120 80 GH1 12.7 0 M 48 ×3 48.000 46.051 44.752 ISO2 112 67 P1 25 10 P4 80 40M 48 ×248.00046.70145.835ISO29557 G4 51 38No.3 - 48UNC2.5152.1721.9412B3214 P4 80 60 GH1 12.7 0 M 48 × 1.5 48.000 47.026 46.376ISO28551 P1 25 10 No. 3 - 56 UNF 2B 2.515 2.220 31 13 2.024 GH1 12.7 0 P2 40 25 G5 64 51 No. 4 - 40 UNC 2.845 2.433 2.156 2B 34 16 GH1 12.7 0 P1 25 10 G5 64 51 No. 4 - 48 UNF 2.845 2.502 2.271 2B 32 14 GH1 12.7 0 No. 4 - 36 UNS GH1 2.845 2.387 12.7 0 2.081 P2 40 25 No. 5 - 40 UNC 2B 3.175 2.764 35 16 2.487 GH1 12.7 0 P1 25 10 No. 5 - 44 UNF 2B 3.175 2.799 34 15 2.550 GH1 12.7 0 Technical-28