圆头螺丝可选中1个或多个下面的关键词
栏目:案例展示 发布时间:2019-10-07 06:03
也可直接点“搜索资料”搜索整个问题   半圆头(方颈或带榫)螺栓多用于结构受限制、不便用其他头型螺栓或被连接零件要求螺栓头部光滑的场合。方颈或榫结构起阻止螺栓转动作用;普通半圆头螺栓多用于金属零件上;大关圆头螺栓多用于木质零件上;加强半圆头螺栓多用于承受冲击、振动或交变载荷的场合;沉头螺栓多用于被连接零件表面要求平坦或光滑不阻挂东西的场合

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