六角法兰面螺栓 小系列 标准型(粗杆) A级
Hexagon Bolts with Flange - Small Series - Full Shank - Product Grade A
六角法兰面螺栓 小系列 R型(细杆) A级
Hexagon Bolts with Flange - Small Series - Type R (Reduced Shank) - Product Grade A
六角法兰面螺栓 小系列
Hexagon Bolts with Flange - Small Series
六角法兰面螺栓 小系列 R型(细杆) A级
Hexagon Bolts with Flange - Small Series - Type R (Reduced Shank) - Product Grade A