Technical Description of productsInformation 1177..おBねarじdi素am材e径te表r (fo切r e削x加te工rn用alダthイreスa)ds (for cutting type dies) 17. おねじ素材径表(切削加工用ダイス) ■Sewing machine screw threads (for 2nd class) Unit:mm ■Whitworth thread(for 2nd class) Unit:mm Size Outside diameter of external thread Bar diameterMax.Min. Outside diameter of external threadSize Bar diameterMax.Min. 3/32 SM 56 2.381 2.286 2.31 ※ 1/16 W 60 1.525 1.427 1.45 1/8 SM 40 3.175 3.045 3.08 ※ 3/32 W 48 2.304 2.201 2.23 1/8 SM 44 3.175 3.055 3.09 ※ 1/8 W 40 3.081 2.972 3.00 9/64SSizMe 40 Outs3id.5e7d2iameter of exter3n.a4l4th2read Bar d3i.a4m7eter11/64 SM 404M.3a6x6.4M.2in3.64.2733//3162 SSMM 528624..73682124..62802642..631431/1/68 SSMM 432043..71672534..06402534..6048※ 5/32W 323.851※ 3/16W 244.606※ 7/32W 245.4011/4W 206.2605/16W 187.8383.7343.764.4754.515.2705.306.1406.177.7087.74 7/13/82 SSMM 4324 53..515756 53..309565 35..4049 3/8 W 16 9.405 9.265 9.30 159//6644 SSMM 4280 53..955723 35..477432 53..8472 7/16 W 14 10.982 10.842 10.9 11/16/44 SSMM 4240 64..336506 46..213706 64..2272 1/2 W 12 12.540 12.380 12.4 3/11/64 SSMM 2480 64..375602 64..622020 64..6245 9/16 W 12 14.128 13.968 14.0 Se3w/1in6gSmMa3c2hine screw4t.7h6re2ads have been4r.e6m02oved from the c4u.r6r4ent JIS. 5/8 W 11 15.705 15.535 15.6 7/32 SM 32 5.556 5.396 5.44 3/4 W 10 18.860 18.680 18.7 15/64 SM 28 5.953 5.773 5.82 7/8 W9 22.015 21.815 21.9 1/4 SM 24 6.350 6.170 6.22 1 W8 25.160 24.950 25.0 1/4 SM 40 6.350 6.220 6.25Sewing machine screw threads have been removed from the current JIS.1 1/8W728.3051 1/4W731.48028.075 28.131.25031.3 1 3/8 W6 34.615 34.365 34.4 1 1/2 W6 37.790 37.540 37.6 ・ Whitworth threads are deleted from JIS. ・The nominal size with * is based on BSW. Size Bar diameter Size Outside diameter of external thread Bar diameter taper (dia. of thread end) Straight Max. Min. PT 1/16 - 28 7.48 7.88 PF 1/16 - 28 7.723 7.509 7.56 PT 1/8 - 28 9.48 9.89 PF 1/8 - 28 9.728 9.514 9.57 ■TPaTpe1r/4 p- 1i9pe threads (P1T2.,8R6 ) 13.39 Unit:mm ■PPFar1a/4ll-e19l pipe t1h3r.1e5a7 ds (PF · G12).9(0fo7 r A class1)2.9U7nit:mm PT 3/8Si-z1e9 16.34 Bar diameter 16.90 PF Si3z/e8 - 19 Out1si6d.e6d6i2ameter of exter1n6a.l4t1h2read Bar 1d6ia.m47eter PT 1/2 - 14 taper (dia.2o0f.t5hread end) Str2a1ig.3ht PF 1/2 - 14 20M.a9x5.5 20M.6in7. 1 20.7 ※ PPTT 15/1/68 -- 2148 27.24.48 27.38.38 PPFF 15/1/68 -- 2148 227..792131 227..560279 227..576 PPTT 31//84 -- 2148 29.54.98 29.68.89 PPFF 31//48 -- 2148 269..742481 296..155174 269..257 ※ PPTT 71//48 -- 1149 122.98.66 133.03.69 PPFF 71//48 -- 1149 3103..215071 1229..990177 3102..097 PPTT 3/18 -- 1119 163.23.74 163.39.70 PPFF 3/18 -- 1119 3163..624629 3126..848192 3136..047 PPTT 1 11//24 -- 1114 2401..52 4221..33 PPFF 1 11//24 -- 1114 2401..995150 2410..565710 2410..67 ※ PPTT 1 51//82 -- 1114 2427..14 4283..32 PPFF 1 51//82 -- 1114 4272..890131 2427..464237 2427..57 PPTT 3/24 -- 1114 2558..79 2660..18 PPFF 3/24 -- 1114 2569..461414 5296..215574 2569..32 N※omPinTal si7z/e8s- m14arked with * are not spe2c9ifi.6ed in the current JIS no3r 0in.6the old JIS. PF 7/8 - 14 30.201 29.917 30.0 PT 1 - 11 32.7 33.7 PF 1 - 11 33.249 32.889 33.0 PT 1 1/4 - 11 41.2 42.3 PF 1 1/4 - 11 41.910 41.550 41.6 PT 1 1/2 - 11 47.1 48.2 PF 1 1/2 - 11 47.803 47.443 47.5 PT 2 - 11 58.7 60.1 PF 2 - 11 59.614 59.254 59.3 Nominal sizes marked with * are not specified in the current JIS nor in the old JIS. Technical-55