Forming Taps Intro UNF TCTR Bored Hole Ø (mm)(tolerance)MaxMinCodeTHCHT(chamfer)LF(inch)THL(inch)LU(inch) LS DCON K(inch)(inch)(inch)LK(inch)NOF(Lobes)TypeStock ANSI H4 4.5 4.46 386822M 4P 2.756 0.551 0.984 1.654 0.19 0.152 0.25 2(4) 005 f SP No.10-32UNF H4 4.5 4.46 386820M 2P 2.756 0.551 0.984 1.654 0.19 0.152 0.25 2(4) 005 f H6 4.53 4.48 386823M 4P 2.756 0.551 0.984 1.654 0.19 0.152 0.25 2(4) 005 f H6 4.53 4.48 386821M 2P 2.756 0.551 0.984 1.654 0.19 0.152 0.25 2(4) 005 ) H4 5.96 5.92 386830M 4P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 2(4) 005 f SL H4 5.96 5.92 386828M 2P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 2(4) 005 f 1/4-28UNF H6 5.99 5.94 386831M 4P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 2(4) 005 f H6 5.99 5.94 386829M 2P 3.15 0.591 1.181 1.713 0.26 0.191 0.312 2(4) 005 ) PO H5 7.5 7.45 386838M 4P 3.543 0.748 1.378 1.831 0.32 0.238 0.375 3(6) 006 f H5 7.5 7.45 386836M 2P 3.543 0.748 1.378 1.831 0.32 0.238 0.375 3(6) 006 f 5/16-24UNF H7 7.53 7.47 386839M 4P 3.543 0.748 1.378 1.831 0.32 0.238 0.375 3(6) 006 f H7 7.53 7.47 386837M 2P 3.543 0.748 1.378 1.831 0.32 0.238 0.375 3(6) 006 ) ST H5 9.08 9.02 386846M 4P 3.937 0.906 1.535 2.028 0.38 0.286 0.437 3(6) 006 f H5 9.08 9.02 386844M 2P 3.937 0.906 1.535 2.028 0.38 0.286 0.437 3(6) 006 f 3/8-24UNF H7 9.1 9.04 386847M 4P 3.937 0.906 1.535 2.028 0.38 0.286 0.437 3(6) 006 f H7 9.1 9.04 386845M 2P 3.937 0.906 1.535 2.028 0.38 0.286 0.437 3(6) 006 ) ROLL H5 10.58 10.51 386854M 4P 3.937 0.906 - 2.008 0.32 0.242 0.406 4(8) 007 f ANSI H5 10.58 10.51 386852M 2P 3.937 0.906 - 2.008 0.32 0.242 0.406 4(8) 007 f 7/16-20UNF H7 10.6 10.54 386855M 4P 3.937 0.906 - 2.008 0.32 0.242 0.406 4(8) 007 f CARBIDE H7 10.6 10.54 386853M 2P 3.937 0.906 - 2.008 0.32 0.242 0.406 4(8) 007 f H5 12.16 12.1 386862M 4P 4.331 1.024 - 2.205 0.37 0.275 0.437 4(8) 007 f H5 12.16 12.1 386860M 2P 4.331 1.024 - 2.205 0.37 0.275 0.437 4(8) 007 f 1/2-20UNF H7 12.19 12.12 386863M 4P 4.331 1.024 - 2.205 0.37 0.275 0.437 4(8) 007 f LONG H7 12.19 12.12 386861M 2P 4.331 1.024 - 2.205 0.37 0.275 0.437 4(8) 007 f HAND TAPS EG (STI) SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 396