六角法兰面螺栓 细牙 小系列 标准型
Hexagon Bolts with Flange with Metric Fine Pitch Thread - Small Series
六角法兰面螺栓 细杆 细牙 小系列 R型
Hexagon Bolts With Flange With Metric Fine Pitch Thread - Small Series - Type R
六角法兰面螺栓 细杆 细牙 小系列 R型
Hexagon Flange Bolts - Fine Pitch Thread-Small Series - Type R
六角法兰面螺栓 细牙 小系列 标准型
Hexagon Flange Bolts-fine Pitch Thread - Small Series - Type N