cutting tapforming tapcutting tapcutting tapcutting tap cutting tapcutting tapcutting tapcutting tapcutting tap 10. Tap Thread Limits (JIS, DIN, ANSI) Intro Unified Threads (UNC/UNF) Unit: mm SP Kind Majordiameter Pitch Diameter Minordiameter Kind Majordiameter Pitch Diameter MinordiameterSizeoftapClassBasicSizeBasicSizeUpper Tolerance (μm) + Lower Tolerance (μm) + Tolerance (μm)BasicSizeSizeoftapClassBasicSizeBasicSizeUpper Tolerance (μm) + Lower Tolerance (μm) + Tolerance (μm)BasicSize P1 20 0 20 P1 20 0 20 P2 40 20 20 P2 40 20 20 SL P3 60 40 20 P3 60 40 20 P4 80 60 20 P4 80 60 20 3B 32 12 20 3B 34 12 22 2B 52 22 30 2B 56 23 33 PO 12.700 11.874 11.326 5/8-18UNF 15.875 14.958 14.3482BX7747302BX814833 GH2 25.4 12.7 12.7 GH2 25.4 12.7 12.7 1/2-20UNF GH3 38.1 25.4 12.7 GH3 38.1 25.4 12.7 GH4 50.8 38.1 12.7 GH4 50.8 38.1 12.7 ST GH5 63.5 50.8 12.7 GH5 63.5 50.8 12.7 GH6 76.2 63.5 12.7 GH6 76.2 63.5 12.7 3BX 76 64 12 P2 40 20 20 2BX 89 76 13 P3 60 40 20 ROLL G7 12.700 11.874 89 76 13 11.326 P4 80 60 20 H5 63.5 50.8 12.7 3B 43 19 24 H7 88.9 76.2 12.7 2B 66 31 35 P2 40 20 20 3/4-10UNC 2BX 19.050 17.399 91 56 35 16.299 P3 60 40 20 GH3 38.1 25.4 12.7 CARBIDE P4 80 60 20 GH4 50.8 38.1 12.7 3B 39 19 20 GH5 63.5 50.8 12.7 9/16-12UNC 2B 14.288 12.913 60 29 31 11.996 GH6 76.2 63.5 12.7 2BX 85 54 31 GH7 88.9 76.2 12.7 LONG GH3 38.1 25.4 12.7 P2 40 20 20 GH4 50.8 38.1 12.7 P3 60 40 20 GH6 76.2 63.5 12.7 P4 80 60 20 P1 20 0 20 3B 35 13 22 HAND P2 40 20 20 2B 60 25 35 TAPS 3/4-16UNF 19.050 18.019 17.330P36040202BX855035 P4 80 60 20 GH3 38.1 25.4 12.7 3B 33 13 20 GH4 50.8 38.1 12.7 EG (STI) 9/16-18UNF 2B 55 23 3214.288 13.371 12.761 GH5 63.5 50.8 12.7 2BX 80 48 32 GH6 76.2 63.5 12.7 GH2 25.4 12.7 12.7 P2 40 20 20 GH3 38.1 25.4 12.7 P3 60 40 20 SPECIALTHREADS,GAUGES GH4 50.8 38.1 12.7GH563.550.812.7 P4 80 60 203B452124 GH6 76.2 63.5 12.7 2B 70 33 37 P2 40 20 20 7/8-9UNC 2BX 22.225 20.391 95 58 37 19.169 THREAD P3 60 40 20 GH3 38.1 25.4 12.7 MILLS P4 80 60 20 GH4 50.8 38.1 12.7 3B 41 19 22 GH5 63.5 50.8 12.7 2B 63 30 33 GH6 76.2 63.5 12.7 5/8-11UNC 2BX 15.875 14.376 88 55 33 13.376 GH7 88.9 76.2 12.7 DIES GH3 38.1 25.4 12.7 P2 40 20 20 GH4 50.8 38.1 12.7 P3 60 40 20 GH5 63.5 50.8 12.7 P4 80 60 20 GH6 76.2 63.5 12.7 3B 39 15 24 CENTER GH7 88.9 76.2 12.7 2B 64 27 37 DRILLS 7/8-14UNF 2BX 22.225 21.046 89 52 37 20.262 GH3 38.1 25.4 12.7 GH4 50.8 38.1 12.7 Technical GH5 63.5 50.8 12.7 info GH6 76.2 63.5 12.7 GH7 88.9 76.2 12.7 678