Parallel screw thread gauges - measuring method of gauges 平行螺紋量規.量規的測量方法
Specification for parallel screw threads of whitworth form 惠氏直螺紋規范
Screw threads - terms and screw thread elements for parallel screw threads 螺紋.平行螺紋的術語和螺紋元件
Metric external taper screw threads and mating internal parallel screw threads - part 1 : nominal sizes , limit deviations , limits of size and verification 米制錐形外螺紋和配對圓柱形內螺紋.第1部分:公稱尺寸
Metric external taper screw thread and mating internal parallel screw threads - part 2 : gauging system , use of gauges , calculation of gauge dimensions and general features 米制錐形外螺紋和配對圓柱形內螺紋.第2部分:量規系統