JB/T 9998-1999 55°圆锥管螺纹圆板牙

R系列圆锥管螺纹圆板牙
Circular screwing dies of R series for taper pipe threads

2023-09-07

60°圆锥管螺纹刀具 第1部分：60°圆锥管螺纹圆板牙
Tools for taper pipe threads with 60°thread angle-Part 1:Circular screwing die for taper pipe threads with 60°thread angle

2010-02-21

G系列圆柱管螺纹圆板牙
Circular dies for parallel pipe threads - G series

2006-07-20

55°圆锥管螺纹搓丝板
Thread rolling flat dies for taper pipe threads with 55° thread angle

2013-04-25

55°圆锥管螺纹滚丝轮
Thread rolling cylindrical dies for taper pipe threads with 55° thread angle

2013-04-25

55°密封管螺纹 第2部分:圆锥内螺纹与圆锥外螺纹
Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 2:Taper internal and external threads

2000-07-24

55°密封管螺纹 第1部分:圆柱内螺纹与圆锥外螺纹
Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 1:Parallel internal and taper external threads

2000-07-24

55°密封管螺纹量规 第1部分：用于检验圆柱内螺纹与圆锥外螺纹
Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads - Part 1:Verification of parallel internal and taper external threads

2008-06-25