规格:DN8-100产品名称:快装丝口接加工定制:是单头丝又称单头外丝、外牙接头、管子丝、管子外丝。就是将一根钢管一头车螺纹（内外牙）其余地方抛光处理而形成的单头螺纹管道。　一般尺寸为DN6-DN100;1/8 -4 ;1分-4寸，有时根据特殊需要可以制作更多的尺寸规格。　螺纹、焊接、快装，根据不同客户要求可采用不同的连接方式。　食品、饮料、化妆品、工业、化工、机械等各种管道的连接中，连接牢固，使用方便。55 圆锥管螺纹型式和尺寸螺纹代号基本尺寸大径螺距每英寸牙数中径小径牙型高度圆弧尺寸底孔尺寸英 寸mmmmtpimm外螺纹H1rmmd=Dpd2=D2d3R 1/161/16＂7.7230.907287.1426.5610.5810.1256.4R 1/81/8＂9.7280.907289.1478.5660.5810.1258.4R 1/41/4＂13.1571.3371912.30111.4450.8560.18411.2R 3/83/8＂16.6621.3371915.80614.950.8560.18414.75R 1/21/2＂20.9551.8141419.79318.6311.1620.24918.25R 3/43/4＂26.4411.8141425.27924.1171.1620.24923.75R 11＂33.2492.3091131.7730.2911.4790.31730R 1 1/41 1/4＂41.912.3091140.43138.9521.4790.31738.5R 1 1/21 1/2＂47.8032.3091146.32444.8451.4790.31744.5R 22＂59.6142.3091158.13556.6561.4790.31756R 2 1/22 1/2＂75.1842.3091173.70572.2261.4790.31771R 33＂87.8842.3091186.40584.9261.4790.31785.5R 44＂113.032.30911111.55110.071.4790.317110.5R 55＂138.432.30911136.95135.471.4790.317136R 66＂163.832.30911162.35160.871.4790.317161.5