六角法兰面粗杆螺栓 粗牙 A级 [Table 3]
Hexagon Flange Bolts with Full Shank - Coarse Thread - Product Grade A [Table 3]
六角法兰面细杆螺栓 粗牙 A级 [Table 3]
Hexagon Flange Bolts with Reduced Shank - Coarse Thread - Product Grade A [Table 3]
六角法兰面粗杆半牙螺栓 小系列 A级 [Attached Table 1.1]
Hexagon Flange Bolts - Small Series - Full Shank - Coarse Thread - Product Grade A