常用螺纹规格尺寸表

常用螺纹规格尺寸表纹测量方法:1.      测量螺纹直径·        对外螺纹-测量其外径·        对内螺纹-测量其内径2.      根据下表所列数据, 大致确定其规格3.      测量螺距·        使用专用卡规·        量出5~6牙的长度,确定每一牙 的螺距,并换算成每英寸牙数4.      最后确定螺纹规格5.      锥螺纹测量基面:从端部数,第4齿处.螺纹型式及公称尺寸划线规格  02030405060810121416202432 NPTNPTF1/8-27O.DI.D10.24  8.73             NPSM1/4-18O.DI.D  13.6111.90            3/8-18O.DI.D    17.0515.90          1/2-14O.DI.D     21.2219.05         3/4-14O.DI.D       26.5624.60       1-111/2O.DI.D         33.2230.95     11/4-111/2O.DI.D          41.9839.69    11/2-111/2O.DI.D           48.0545.24   2-111/2O.DI.D            60.0957.15 BSPPBSPT1/8-28O.DI.D9.708.60              1/4-19O.DI.D  13.2011.50            3/8-19O.DI.D    16.7014.90          1/2-14O.DI.D     20.9018.60         5/8-14O.DI.D      22.9020.60        3/4-14O.DI.D       26.4024.10       1-11O.DI.D        33.2030.30      11/4-11O.DI.D         41.9038.90     11/2-11O.DI.D          47.8044.90    2-11O.DI.D           59.6056.70  MetricThreadM18*1.5O.DI.D1816.5  M36*2O.DI.D3634 UN/UNF5/16-24   O.DI.D 7.93              3/8-24O.DI.D 9.508.60             7/16-20   O.DI.D  11.1010.00           螺纹型式及公称尺寸划线规格  02030405060810121416202432 UN/UNF1/2-20O.DI.D   12.7011.60           5/8-18O.DI.D    15.9014.30          9/16-18O.DI.D  14.2013.00 14.30 13.00           11/16-16     O.DI.D    17.5015.90          3/4-16O.DI.D     19.1017.60         13/16-16O.DI.D     20.6019.10         7/8-14O.DI.D      22.2020.50        1-14O.DI.D      25.4023.80        11/16-12 O.DI.D       27.0024.60        11/16-14 O.DI.D       27.0025.00       13/16-12O.DI.D       29.6028.2030.1028.30      15/16-12O.DI.D         33.3031.30     17/16-12 O.DI.D         36.5034.15     15/8-12O.DI.D          41.3039.20    111/16-12 O.DI.D          42.9040.50    17/8-12O.DI.D           47.6045.60   2-12O.DI.D           50.8048.80   21/2-12O.DI.D            63.5061.50  表中O.D（外螺纹直径）与I.D（内螺纹直径）均为mm      管路之间连接  标准BS5200ISO8434-2ISO12151-5SAEJ516ISO8434-3ISO12151-1SAEJ516JISB8363JISB8363SAEJ476ASAEJ516ISO11926SAEJ516SAEJ516 连接形式60°锥或BSPT, BSPP/BSPT螺纹JIC37°，UNF螺纹ORFS， UNF螺纹JIS30° 公制JIS30°BSPPNPTF/NPSMSAEO-RingUNF阳螺纹SAE45°UNF螺纹 -21/8-28    1/8-275/16-24  -3 3/8-24    3/8-24  -41/4-197/16-209/16-18M14X1.51/4-191/4-187/16-207/16-20 -5 1/2-20    1/2-201/2-20 -63/8-199/16-1811/16–16M18X1.53/8-193/8-189/16-185/8-18 -81/2-143/4-1613/16–16M22X1.51/2-141/2-143/4-163/4-16 -105/8-147/8-141-14   7/8-147/8-14 -123/4-1411/16–1213/16–12M27X23/4-143/4-1411/16–1211/16–14 -14 13/16–12    13/16–12  -161-1115/16-1217/16 –12M33X21-111-111/215/16-12  -2011/4-1115/8  -12111/16-12M42X211/4-1111/4-111/215/8  -12  -2411/2-1117/8  -12   2  -12M50X211/2-1111/2-111/217/8  -12  -322-1121/2  -12 M60X22-112-111/221/2  -12   钢管ODmm6810121415161820DIN24°LM12X1.5M14X1.5M16X1.5M18X1.5 M22X1.5 M26X1.5 DIN24°SM14X1.5M16X1.5M18X1.5M20X1.5M22X1.5 M24X1.5 M30X2French    24°M12X1M14X1.5M16X1.5M18X1.5M20X1.5M22X1.5M24X1.5M27X1.5M27X1.5钢管ODmm222528303235384042DIN24°LM30X2 M36X2  M45X2  M52X2DIN24°S M36X2 M42X2  M52X2  French    24°M30X1.5M33X1.5M36X1.5M39X1.5M42X1.5M45X1.5M48X1.5M52X1.5