螺纹规格++螺牙距.doc

文档介绍：管螺纹外螺纹大径内螺纹小径R1/8"-28   "-19 "-19  "-14  (R5/8"-14)  "-14  "-11   "-11  "-11  "-11  "-11   "-28   "-19   "-19   "-14   (G5/8"-14)  "-14   "-11    "-11  "-11  "-11  "-11    "-27    "-18    "-18    "-14    "-14    "-   "-   "-  "-    "-20      "-20       "-18      "-16          7/8"-14      "-12    "-12    "-12    °管螺纹外径内径3/8"-24   "-20  "-20  "-18  "-16   °圆柱管螺纹的型式和尺寸 BritishPipeThread(惠氏管螺纹)--圆柱(BSPP/BSPF)螺纹代号基本尺寸大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高度H1底孔尺寸mm G1/81/8" G1/41/4" G3/83/8" G1/21/2" G5/85/8" G3/43/4"