Общий каталог Yamawa 2022 - 2023 - страница 1206

17. おねじ素材径表（切削加工用ダイス） 17. Bar diameter for external threads (for cutting type dies) 17. おねじ素材径表（切削加工用ダイス） Description of products ■Sewing machine screw threads (for 2nd class) Unit：mm ■Whitworth thread（for 2nd class） Unit：mm Outside diameter of external thread Outside diameter of external thread Size Bar diameter Size Bar diameter Max. Min. Max. 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 W 40 3.081 2.972 3.00 1/8 SM 44 3.175 3.055 3.09 ※ 5/32 W 32 3.851 3.734 3.76 9/64 SM 40 3.572 Outside 3.442 diameter of external thread3.47 Size Bar diameter ※ 3/16 W 24 4.606 4.475 4.51 11/64 SM 40 Max. 4.366 Min. 4.236 4.27 ※ 7/32 W 24 5.401 5.270 5.30 3/32 SM 56 2.381 2.286 2.31 3/16 SM 28 4.762 4.602 4.64 1/4 W 20 6.260 6.140 6.17 1/8 SM 40 3.175 3.045 3.08 3/16 SM 32 4.762 4.602 4.64 5/16 W 18 7.838 7.708 7.74 1/8 SM 44 3.175 3.055 3.09 7/32 SM 32 5.556 5.396 5.44 3/8 W 16 9.405 9.265 9.30 9 64 SM 40 15//64 3.572 3.442 3.47 SM 28 5.953 5.773 5.82 7/16 W 14 10.982 10.842 10.9 11/64 SM 40 4.366 4.236 4.27 1/2 W 12 12.540 12.380 12.4 1/4 SM 24 6.350 6.170 6.22 3/16 SM 28 4.762 4.602 4.64 9/16 W 12 14.128 13.968 14.0 1/4 SM 40 6.350 6.220 6.25 3/16 SM 32 4.762 4.602 4.64 Sewing machine screw threads have been removed from the current 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 7/8 W9 22.015 21.815 21.9 15/64 SM 28 5.953 5.773 5.82 1/4 SM 24 6.350 6.170 6.22 1 W8 25.160 24.950 25.0 1 1/8 W7 28.305 28.075 28.1 1/4 SM 40 6.350 6.220 6.25 1 1/4 W7 31.480 31.250 31.3 Sewing machine screw threads have been removed from the current JIS. 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. Bar diameter Outside diameter of external thread Size Size 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 ■Taper pipe threads (PT, PT 1/ - 19 R) 12.86 13.39 Unit：mm ■Parallel PF 1/ - 19 pipe threads 13.157 (PF · G)(for 12.907 A class)12.97 Unit：mm 4 4 PT 3/8 - 19 16.34 Bar diameter 16.90 PF 3/8 - 19 16.662 Outside 16.412 diameter of external thread 16.47 Size Size Bar diameter PT 1/2 - 14 taper (dia.20.5 of thread end) Straight 21.3 PF 1/2 - 14 Max. 20.955 Min. 20.671 20.7 PT 15/16 -- 28 7.48 7.88 PF 1/ -- 28 7.723 7.509 7.56 ※ PT /8 14 22.4 23.3 PF 516/8 14 22.911 22.627 22.7 PT 31/8 -- 28 9.48 9.89 PF 1/ - 28 9.728 9.514 9.57 PT /4 14 25.9 26.8 PF 3/48 - 14 26.441 26.157 26.2 PT 71/4 -- 19 12.86 13.39 PF 1/ - 19 13.157 12.907 12.97 ※ PT /8 14 29.6 30.6 PF 7/48 - 14 30.201 29.917 30.0 PT 3/8 -- 19 16.34 16.90 PF 3/8 -- 19 16.662 16.412 16.47 PT 1 11 32.7 33.7 PF 1 11 33.249 32.889 33.0 PT 11/2 -- 14 20.5 21.3 PF 11/2 -- 14 20.955 20.671 20.7 PT 1 /4 11 41.2 42.3 PF 1 /4 11 41.910 41.550 41.6 ※ PT 51/8 -- 14 22.4 23.3 PF 5/ - 14 22.911 22.627 22.7 PT 1 /2 11 47.1 48.2 PF 1 1/82 - 11 47.803 47.443 47.5 PT 3/4 -- 14 25.9 26.8 PF 3/4 -- 14 26.441 26.157 26.2 PT 2 11 58.7 60.1 PF 2 11 59.614 59.254 59.3 ※ PT 7/8 - 14 29.6 30.6 PF 7/8 - 14 30.201 29.917 30.0 Nominal sizes marked with * are not specified in the current JIS nor in the old JIS. 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. Information Technical Technical-55