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日标B2801-1977 BA/BB/BC 卸扣
日标B2801-1977 BA/BB/BC 卸扣
JIS B2801-1977 BA/BB/BC Shackle

日本标准规定44和46mm的卸扣,销的尺寸是48mm
为了更好动力设计,52和56mm的销也分别地适用于44和46mm的卸扣
符合日标B2801-1977的性能要求

JIS Standards define that the pin size should be 48 for nominal 44 and 46 shackles.
But the pin size of 52 and 56 are adpated respectively for nominal 44 and 46 for better dynamic designs.
Meet the performance requirement of JIS B2801-1977

 
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