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英制惠氏螺纹螺套  螺套用细套筒扳手  插销螺套  左旋螺套  盲孔钢丝螺套  螺套电扳安装头  大螺套  螺套涂层丝锥  无尾螺套  新乡航月（原新乡华  新乡航月（原新乡华  新乡航月（原新乡华  钢丝螺套工具  新乡航月（原新乡华  新乡航月（原新乡华  钢丝护套  美制螺套安装扳手  螺套用钻头  无尾螺套安装工具  钢丝螺套自动冲断器  无折断槽钢丝螺套  镀银螺套  镀镉螺套  钢丝螺套套装  钢丝螺套安装工具  普通型钢丝螺套  彩色钢丝螺套  盘式包装钢丝螺套  气动螺套扳手  钢丝螺套  钢丝螺套卸套器  钢丝螺套冲断器  钢丝螺套用丝锥  国标钢丝螺套  德标钢丝螺套  航标钢丝螺套HB5513  大螺套丝锥  含钛材质钢丝螺套  管螺纹螺套丝锥  内螺纹修复工具包  插销螺套工具  海利克钢丝螺套  加长ST丝锥  自攻螺套安装工具  自攻螺套及安装  细牙螺套安装扳手  小规格螺套卸套器  英制惠氏螺纹螺套  军工钢丝螺套扳手  螺纹牙套  美制螺套专用丝锥  弹簧螺纹  铜件内螺纹用螺套  ST丝锥  细牙钢丝螺套  粗牙钢丝螺套  管螺纹钢丝螺套  国军标钢丝螺套  钢丝螺纹套  螺纹丝套  螺纹护套  螺套专用挤压丝锥  钢丝螺套安装扳手  螺套用螺旋槽丝锥  螺套专用直槽丝锥  铝件内螺纹用螺纹套  不锈钢钢丝螺套  修复损坏的内螺纹用  钢丝螺套手动扳手  锁紧型钢丝螺套  美制钢丝螺套  钢丝螺套电动工具  公制钢丝螺套  钢丝螺套专用塞规              更多…   产品简介   　　英国人约瑟夫.惠特沃斯（JOSEPH WHITWORTH)最早提出了惠氏螺纹标准，以后出现的世界各国螺纹标准基本上都是参照惠氏螺纹标准技术体系而制订的。 　　为了在螺纹技术上垄断，惠特沃斯特意把螺纹牙型的牙顶和牙底设计为圆弧状，虽然有很多其它公司也掌握了螺纹加工技术，但只有惠特沃斯所在的公司能够加工带有圆弧牙顶和牙底的螺纹。在一个时期内惠特沃斯所在的公司确实在螺纹市场上处于垄断地位，直到美制统一螺纹的出现才打破了这种垄断，由于美制统一螺纹容易加工，很快挤占了英制惠氏螺纹市场。　　 　　　　　 　　于今，英制惠氏螺纹在进出口产品和一些老设备的维修上还用到。 　　我公司应英制惠氏螺纹市场的需求配套有英制惠氏螺纹钢丝螺套供您选用，也可按您的要求设计制造。   　　　　　　　　　　　　　　　　　　　　　　　英制惠氏螺纹钢丝螺套 　　英制惠氏螺纹钢丝螺套的标记由钢丝螺套型号代号(FR SL)、公称直径、牙数、螺纹代号（B.S.W. B.S.F.)、公称长度组成。 　　如，普通型钢丝螺、公称直径为1/8英寸、每英寸牙数为40牙、公称长度为1.5d的粗牙英制惠氏螺纹钢丝螺套标记为： 　　FR 1/8″-40　B.S.W-1.5d 　　再如，公称直径为3/16英寸、每英寸牙数为32牙、公称长度为1.5d的自锁型细牙英制惠氏螺纹钢丝螺套标记为： 　　SL 3/4″-32.B.S.F.-1.5d　　 　英制惠氏螺纹系列钢丝螺套常用规格及安装参数表 规格 公称直径 螺距 公称长度 钻头尺寸 钻孔深度 安装钢丝螺套螺纹大径 攻丝深度 d p xd L do L1 L2 min D min 1/8-40 B.S.W. 3.175 0.635 0.5d 1.59 3.3 4.45 3.92 3.81 3.175 0.635 0.75d 2.38 3.3 5.24 3.92 4.60 3.175 0.635 1d 3.18 3.3 6.03 3.92 5.40 3.175 0.635 1.5d 4.76 3.3 7.62 3.92 6.99 3.175 0.635 2d 6.35 3.3 9.21 3.92 8.57 3.175 0.635 2.5d 7.94 3.3 10.80 3.92 10.16 3.175 0.635 3d 9.53 3.3 12.38 3.92 11.75 3/16-24 B.S.W. 4.762 1.058 0.5d 2.38 5.0 7.14 6.01 6.08 4.762 1.058 0.75d 3.57 5.0 8.33 6.01 7.27 4.762 1.058 1d 4.76 5.0 9.52 6.01 8.47 4.762 1.058 1.5d 7.14 5.0 11.90 6.01 10.85 4.762 1.058 2d 9.52 5.0 14.29 6.01 13.23 4.762 1.058 2.5d 11.91 5.0 16.67 6.01 15.61 4.762 1.058 3d 14.29 5.0 19.05 6.01 17.99 1/4-20 B.S.W. 6.350 1.270 0.5d 3.18 6.7 8.89 7.85 7.62 6.350 1.270 0.75d 4.76 6.7 10.48 7.85 9.21 6.350 1.270 1d 6.35 6.7 12.07 7.85 10.80 6.350 1.270 1.5d 9.53 6.7 15.24 7.85 13.97 6.350 1.270 2d 12.70 6.7 18.42 7.85 17.15 6.350 1.270 2.5d 15.88 6.7 21.59 7.85 20.32 6.350 1.270 3d 19.05 6.7 24.77 7.85 23.50 1/4-26 B.S.F. 6.350 1.024 0.5d 3.18 6.6 7.78 7.56 6.76 6.350 1.024 0.75d 4.76 6.6 9.37 7.56 8.35 6.350 1.024 1d 6.35 6.6 10.96 7.56 9.93 6.350 1.024 1.5d 9.53 6.6 14.13 7.56 13.11 6.350 1.024 2d 12.70 6.6 17.31 7.56 16.28 6.350 1.024 2.5d 15.88 6.6 20.48 7.56 19.46 6.350 1.024 3d 19.05 6.6 23.66 7.56 22.63 5/16-18 B.S.W. 7.938 1.411 0.5d 3.97 8.3 10.32 9.60 8.91 7.938 1.411 0.75d 5.95 8.3 12.30 9.60 10.89 7.938 1.411 1d 7.94 8.3 14.29 9.60 12.88 7.938 1.411 1.5d 11.91 8.3 18.26 9.60 16.85 7.938 1.411 2d 15.88 8.3 22.23 9.60 20.81 7.938 1.411 2.5d 19.85 8.3 26.19 9.60 24.78 7.938 1.411 3d 23.81 8.3 30.16 9.60 28.75 5/16-22 B.S.F. 7.938 1.155 0.5d 3.97 8.2 9.16 9.30 8.01 7.938 1.155 0.75d 5.95 8.2 11.15 9.30 9.99 7.938 1.155 1d 7.94 8.2 13.13 9.30 11.98 7.938 1.155 1.5d 11.91 8.2 17.10 9.30 15.95 7.938 1.155 2d 15.88 8.2 21.07 9.30 19.92 7.938 1.155 2.5d 19.84 8.2 25.04 9.30 23.88 7.938 1.155 3d 23.81 8.2 29.01 9.30 27.85 7.938 1.155 3.5d 27.78 8.2 32.98 9.30 31.82 7.938 1.155 4d 31.75 8.2 36.95 9.30 35.79 3/8-16 B.S.W. 9.525 1.588 0.5d 4.76 9.9 11.91 11.40 10.32 9.525 1.588 0.75d 7.14 9.9 14.29 11.40 12.70 9.525 1.588 1d 9.53 9.9 16.67 11.40 15.08 9.525 1.588 1.5d 14.29 9.9 21.43 11.40 19.85 9.525 1.588 2d 19.05 9.9 26.20 11.40 24.61 9.525 1.588 2.5d 23.81 9.9 30.96 11.40 29.37 9.525 1.588 3d 28.58 9.9 35.72 11.40 34.13 3/8-20 B.S.F. 9.525 1.270 0.5d 4.76 9.8 10.48 11.02 9.21 9.525 1.270 0.75d 7.14 9.8 12.86 11.02 11.59 9.525 1.270 1d 9.53 9.8 15.24 11.02 13.97 9.525 1.270 1.5d 14.29 9.8 20.00 11.02 18.73 9.525 1.270 2d 19.05 9.8 24.77 11.02 23.50 9.525 1.270 2.5d 23.81 9.8 29.53 11.02 28.26 9.525 1.270 3d 28.58 9.8 34.29 11.02 33.02 7/16-14 B.S.W. 11.112 1.814 0.5d 5.56 11.6 13.72 13.25 11.91 11.112 1.814 0.75d 8.33 11.6 16.50 13.25 14.68 11.112 1.814 1d 11.11 11.6 19.28 13.25 17.46 11.112 1.814 1.5d 16.67 11.6 24.83 13.25 23.02 11.112 1.814 2d 22.22 11.6 30.39 13.25 28.57 11.112 1.814 2.5d 27.78 11.6 35.94 13.25 34.13 11.112 1.814 3d 33.34 11.6 41.50 13.25 39.69 7/16-18 B.S.F. 11.113 1.411 0.5d 5.56 11.5 11.91 12.78 10.50 11.113 1.411 0.75d 8.33 11.5 14.68 12.78 13.27 11.113 1.411 1d 11.11 11.5 17.46 12.78 16.05 11.113 1.411 1.5d 16.67 11.5 23.02 12.78 21.61 11.113 1.411 2d 22.23 11.5 28.58 12.78 27.16 11.113 1.411 2.5d 27.78 11.5 34.13 12.78 32.72 11.113 1.411 3d 33.34 11.5 39.69 12.78 38.28 11.113 1.411 3.5d 38.89 11.5 45.24 12.78 43.83 11.113 1.411 4d 44.45 11.5 50.80 12.78 49.39 1/2-12 B.S.W. 12.700 2.117 0.5d 6.35 13.2 15.88 15.20 13.76 12.700 2.117 0.75d 9.53 13.2 19.05 15.20 16.93 12.700 2.117 1d 12.70 13.2 22.23 15.20 20.11 12.700 2.117 1.5d 19.05 13.2 28.58 15.20 26.46 12.700 2.117 2d 25.40 13.2 34.93 15.20 32.81 12.700 2.117 2.5d 31.75 13.2 41.28 15.20 39.16 12.700 2.117 3d 38.10 13.2 47.63 15.20 45.51 1/2-16 B.S.F. 12.700 1.588 0.5d 6.35 13.1 13.49 14.57 11.91 12.700 1.588 0.75d 9.53 13.1 16.67 14.57 15.08 12.700 1.588 1d 12.70 13.1 19.84 14.57 18.26 12.700 1.588 1.5d 19.05 13.1 26.19 14.57 24.61 12.700 1.588 2d 25.40 13.1 32.54 14.57 30.96 12.700 1.588 2.5d 31.75 13.1 38.89 14.57 37.31 12.700 1.588 3d 38.10 13.1 45.24 14.57 43.66 9/16-12 B.S.W. 14.288 2.117 0.5d 7.14 14.8 16.67 16.79 14.55 14.288 2.117 0.75d 10.72 14.8 20.24 16.79 18.13 14.288 2.117 1d 14.29 14.8 23.81 16.79 21.70 14.288 2.117 1.5d 21.43 14.8 30.96 16.79 28.84 14.288 2.117 2d 28.58 14.8 38.10 16.79 35.99 14.288 2.117 2.5d 35.72 14.8 45.25 16.79 43.13 14.288 2.117 3d 42.86 14.8 52.39 16.79 50.27 9/16-16 B.S.F. 14.288 1.588 0.5d 7.14 14.7 14.29 16.16 12.70 14.288 1.588 0.75d 10.72 14.7 17.86 16.16 16.27 14.288 1.588 1d 14.29 14.7 21.43 16.16 19.84 14.288 1.588 1.5d 21.43 14.7 28.58 16.16 26.99 14.288 1.588 2d 28.58 14.7 35.72 16.16 34.13 14.288 1.588 2.5d 35.72 14.7 42.86 16.16 41.28 14.288 1.588 3d 42.86 14.7 50.01 16.16 48.42 5/8-11 B.S.W. 15.875 2.309 0.5d 7.94 16.4 18.33 18.60 16.02 15.875 2.309 0.75d 11.91 16.4 22.30 18.60 19.99 15.875 2.309 1d 15.88 16.4 26.27 18.60 23.96 15.875 2.309 1.5d 23.81 16.4 34.20 18.60 31.89 15.875 2.309 2d 31.75 16.4 42.14 18.60 39.83 15.875 2.309 2.5d 39.69 16.4 50.08 18.60 47.77 15.875 2.309 3d 47.63 16.4 58.02 18.60 55.71 5/8-14 B.S.F. 15.875 1.814 0.5d 7.94 16.3 16.10 18.02 14.29 15.875 1.814 0.75d 11.91 16.3 20.07 18.02 18.26 15.875 1.814 1d 15.88 16.3 24.04 18.02 22.23 15.875 1.814 1.5d 23.81 16.3 31.98 18.02 30.16 15.875 1.814 2d 31.75 16.3 39.91 18.02 38.10 15.875 1.814 2.5d 39.69 16.3 47.85 18.02 46.04 15.875 1.814 3d 47.63 16.3 55.79 18.02 53.98 3/4-10 B.S.W. 19.050 2.540 0.5d 9.53 19.7 20.96 22.05 18.42 19.050 2.540 0.75d 14.29 19.7 25.72 22.05 23.18 19.050 2.540 1d 19.05 19.7 30.48 22.05 27.94 19.050 2.540 1.5d 28.58 19.7 40.01 22.05 37.47 19.050 2.540 2d 38.10 19.7 49.53 22.05 46.99 19.050 2.540 2.5d 47.63 19.7 59.06 22.05 56.52 19.050 2.540 3d 57.15 19.7 68.58 22.05 66.04 3/4-12 B.S.F. 19.050 2.117 0.5d 9.53 19.6 19.05 21.55 16.93 19.050 2.117 0.75d 14.29 19.6 23.81 21.55 21.70 19.050 2.117 1d 19.05 19.6 28.58 21.55 26.46 19.050 2.117 1.5d 28.58 19.6 38.10 21.55 35.98 19.050 2.117 2d 38.10 19.6 47.63 21.55 45.51 19.050 2.117 2.5d 47.63 19.6 57.15 21.55 55.03 19.050 2.117 3d 57.15 19.6 66.68 21.55 64.56 7/8-9 B.S.W. 22.225 2.822 0.5d 11.11 22.9 23.81 25.55 20.99 22.225 2.822 0.75d 16.67 22.9 29.37 25.55 26.55 22.225 2.822 1d 22.23 22.9 34.92 25.55 32.10 22.225 2.822 1.5d 33.34 22.9 46.04 25.55 43.21 22.225 2.822 2d 44.45 22.9 57.15 25.55 54.33 22.225 2.822 2.5d 55.56 22.9 68.26 25.55 65.44 22.225 2.822 3d 66.68 22.9 79.37 25.55 76.55 7/8-11 B.S.F 22.225 2.309 0.5d 11.11 22.8 21.50 24.95 19.19 22.225 2.309 0.75d 16.67 22.8 27.06 24.95 24.75 22.225 2.309 1d 22.23 22.8 32.62 24.95 30.31 22.225 2.309 1.5d 33.34 22.8 43.73 24.95 41.42 22.225 2.309 2d 44.45 22.8 54.84 24.95 52.53 22.225 2.309 2.5d 55.56 22.8 65.95 24.95 63.64 22.225 2.309 3d 66.68 22.8 77.07 24.95 74.76 1-8 B.S.W. 25.400 3.175 0.5d 12.70 26.2 26.99 29.15 23.81 25.400 3.175 0.75d 19.05 26.2 33.34 29.15 30.16 25.400 3.175 1d 25.40 26.2 39.69 29.15 36.51 25.400 3.175 1.5d 38.10 26.2 52.39 29.15 49.21 25.400 3.175 2d 50.80 26.2 65.09 29.15 61.91 25.400 3.175 2.5d 63.50 26.2 77.79 29.15 74.61 25.400 3.175 3d 76.20 26.2 90.49 29.15 87.31 1-10 B.S.F. 25.400 2.540 0.5d 12.70 26.0 24.13 28.40 21.59 25.400 2.540 0.75d 19.05 26.0 30.48 28.40 27.94 25.400 2.540 1d 25.40 26.0 36.83 28.40 34.29 25.400 2.540 1.5d 38.10 26.0 49.53 28.40 46.99 25.400 2.540 2d 50.80 26.0 62.23 28.40 59.69 25.400 2.540 2.5d 63.50 26.0 74.93 28.40 72.39 25.400 2.540 3d 76.20 26.0 87.63 28.40 85.09 1 1/8-7 B.S.W. 28.575 3.629 0.5d 14.29 29.5 30.62 32.86 26.99 28.575 3.629 0.75d 21.43 29.5 37.76 32.86 34.13 28.575 3.629 1d 28.58 29.5 44.90 32.86 41.28 28.575 3.629 1.5d 42.86 29.5 59.19 32.86 55.56 28.575 3.629 2d 57.15 29.5 73.48 32.86 69.85 28.575 3.629 2.5d 71.44 29.5 87.77 32.86 84.14 28.575 3.629 3d 85.73 29.5 102.05 32.86 98.43 1 1/8-9 B.S.F. 28.575 2.822 0.5d 14.29 29.3 26.99 31.91 24.17 28.575 2.822 0.75d 21.43 29.3 34.13 31.91 31.31 28.575 2.822 1d 28.58 29.3 41.28 31.91 38.45 28.575 2.822 1.5d 42.86 29.3 55.56 31.91 52.74 28.575 2.822 2d 57.15 29.3 69.85 31.91 67.03 28.575 2.822 2.5d 71.44 29.3 84.14 31.91 81.32 28.575 2.822 3d 85.73 29.3 98.43 31.91 95.60 1  1/4-7 B.S.W. 31.750 3.629 0.5d 15.88 32.7 32.21 36.03 28.58 31.750 3.629 0.75d 23.81 32.7 40.14 36.03 36.51 31.750 3.629 1d 31.75 32.7 48.08 36.03 44.45 31.750 3.629 1.5d 47.63 32.7 63.96 36.03 60.33 31.750 3.629 2d 63.50 32.7 79.83 36.03 76.20 31.750 3.629 2.5d 79.38 32.7 95.71 36.03 92.08 31.750 3.629 3d 95.25 32.7 111.58 36.03 107.95 1 1/4-9 B.S.F. 31.750 2.822 0.5d 15.88 32.5 28.58 35.08 25.75 31.750 2.822 0.75d 23.81 32.5 36.51 35.08 33.69 31.750 2.822 1d 31.75 32.5 44.45 35.08 41.63 31.750 2.822 1.5d 47.63 32.5 60.33 35.08 57.50 31.750 2.822 2d 63.50 32.5 76.20 35.08 73.38 31.750 2.822 2.5d 79.38 32.5 92.08 35.08 89.25 31.750 2.822 3d 95.25 32.5 107.95 35.08 105.13 1 3/8-8 B.S.F 34.925 3.175 0.5d 17.46 35.7 31.75 38.67 28.58 34.925 3.175 0.75d 26.19 35.7 40.48 38.67 37.31 34.925 3.175 1d 34.93 35.7 49.21 38.67 46.04 34.925 3.175 1.5d 52.39 35.7 66.68 38.67 63.50 34.925 3.175 2d 69.85 35.7 84.14 38.67 80.96 34.925 3.175 2.5d 87.31 35.7 101.60 38.67 98.43 34.925 3.175 3d 104.78 35.7 119.06 38.67 115.89 1  1/2-6 B.S.W. 38.100 4.233 0.5d 19.05 39.2 38.10 43.09 33.87 38.100 4.233 0.75d 28.58 39.2 47.62 43.09 43.39 38.100 4.233 1d 38.10 39.2 57.15 43.09 52.92 38.100 4.233 1.5d 57.15 39.2