Thread Milling Tools UNJ INTERNAL MIL-S-8879A UNJ NUT 5/16P 60 Rmax0.18042P Rmin0.15011P UNJ SCREW D = NOMINAL THREAD SIZE THREAD LENGTH – UP TO 3D THREAD SIZE PITCH ORDERING L L1 D1 D2 NO. OF COARSE FINE TPI CODE FLUTES UNJC UNJF 1 4 6 40 TMC06021L8 40UNJ 57 8.0 6 2.10 3 2 8 10 32 TMC06033L12 32UNJ 57 12.0 6 3.30 3 3 1/4" 28 TMC06054L19 28UNJ 57 19.0 6 5.40 3 4 5/16" , 3/8" 24 TMC08067L24 24UNJ 63 24.0 8 6.70 3 5 1/4" 20 TMC06050L19 20UNJ 63 19.0 6 5.00 3 6 7/16" 20 TMC08079L28 20UNJ 63 28.0 8 7.90 3 7 5/16" 18 TMC08064L24 18UNJ 63 24.0 8 6.40 3 8 3/8" 16 TMC08069L24 16UNJ 63 24.0 8 6.90 3 9 7/16" 14 TMC08079L26 14UNJ 63 26.0 8 7.90 3 10 1/2" 13 TMC10099L28 13UNJ 73 28.0 10 9.90 3 IS11O 5855-1:1989 1M2J NUT 5/16P 60 13 MJ 14 Rmax0.18042P INTERNAL 15 Rmin0.15011P MJ SCREW 16 THREAD SIZE PITCH ORDERING L L1 D1 D2 NO. OF 17 MM CODE FLUTES 18 1 MJ4.0 0.7 TMC06032L12 0.7MJ 57 12.0 6 3.20 3 19 2 MJ5.0 0.8 TMC06040L15 0.8MJ 57 15.0 6 4.00 3 20 3 MJ6.0 1.0 TMC06048L18 1.0MJ 57 18.0 6 4.80 3 21 4 MJ8.0 1.25 TMC08065L24 1.25MJ 63 24.0 8 6.50 3 252 MJ10.0 1.5 TMC08079L31 1.5MJ 63 31.0 8 7.90 3 6 MJ12.0 1.75 TMC10094L31 1.75MJ 73 31.0 10 9.40 3 7 MJ14.0 , MJ16.0 2.0 TMC10099L36 2.0MJ 73 36.0 10 9.90 3 8 18 9