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介绍了GJB5430-200《5十字槽》标准编制背景;详细介绍了国军标十字槽槽深和插入深度的确定情况;阐述了该标准的内容以及确定90°和120°沉头螺栓螺钉槽深及插入深度的原则和方法。
Introduced the GJB5430-200 “5 cross groove” standard preparation background; details of the national standard cross-recessed groove depth and depth of the determination; elaborated on the contents of the standard and to determine the 90 ° and 120 ° countersunk head bolt screw groove depth And depth of insertion principles and methods.