1 Scope This British Standard specifies the materials, dimensions, finish and inspection requirements for steel bolts of high metallurgical quality with double hexagon head and unified screw threads of ‘UNJF’ basic profile, with optional locking wire holes for aircraft use. CAUTION. This British Standard features parts that have cadmium as a plating material which has been restricted and/or banned for use in many countries owing to environmental and health concerns; they should not be used in new product designs. Local officials should be consulted about any concerns on the use of cadmium-plated parts.
BS 5A 228:2019由英国标准学会 GB-BSI 发布于 2019-09-30,并于 2019-09-30 实施。
BS 5A 228:2019在国际标准分类中归属于: 49.030.20 螺栓、螺钉、螺柱。
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