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m12螺栓直径,螺栓直径对照表

国标m12的螺栓的扭紧力矩?
国标m12的螺栓的扭紧力矩?gb37 304不锈钢t型螺栓t形槽用螺栓压板螺丝m8m10m12*20/25/30/70
gb37 304不锈钢t型螺栓t形槽用螺栓压板螺丝m8m10m12*20/25/30/70圆环起重螺丝吊环螺丝螺栓m8m10m12m14m16m18m20m22m24m30-m64
圆环起重螺丝吊环螺丝螺栓m8m10m12m14m16m18m20m22m24m30-m64gb799地脚螺栓预埋螺栓9字地脚螺丝m12m16m20m24m30m36m42m48
gb799地脚螺栓预埋螺栓9字地脚螺丝m12m16m20m24m30m36m42m48gb799地脚螺栓/7字型l型预埋螺栓/9字型地脚螺丝m12m16m20m24m30 m10*
gb799地脚螺栓/7字型l型预埋螺栓/9字型地脚螺丝m12m16m20m24m30 m10*
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