方法一：产品分类(大小类)+标准类别
[国标]GB /T 35481 - 2017
六角花形法兰面螺栓
Hexalobular Bolts With Flange
[国标]GB /T 35481 - 2017
六角花形法兰面螺栓 - 细杆
Hexagon Head Flange Bolts - Reduced Shank
[德标]DIN 34800 - 2022
梅花头小法兰螺栓
Bolts with external hexalobular driving feature with small flange
[德标]DIN 34800 - 2016
梅花头小法兰螺栓
Steel Hexalobular Head Bolts With Small Flange
[德标]DIN 34800 - 2005
梅花头小法兰螺栓
Steel Hexalobular Head Bolts With Small Flange
[德标]DIN 34800 - 2000
小法兰面梅花头螺栓和螺钉
Bolts And Screws With External Hexalobular Driving Feature With Small Flange
[国标]GB /T 5357 - 1998
内六角花形扳手
Hexagon spline wrenches
[汽标]QC /T 1060 - 2017
汽车用外六角花形法兰面螺栓
Hexalobular Bolts With Flange For Automobile
[德标]DIN 34801 - 2021
大法兰面梅花头螺栓
Hexalobular Head Bolts With Large Flange
[德标]DIN 34801 - 1999
大法兰面梅花头螺栓
Steel hexalobular head bolts with large flange
[美标]ASME B 18.2.1 - 2012
梅花头凸缘螺钉 [Table 9]
Lobed Head Screws
[美标]ASME B 18.2.1 - 2010
梅花头凸缘螺钉 [Table 9]
Lobed head screws [Table 9]
[日标]JIS B 1119 (3S) - 1986
眼镜框架用 - 星形螺母
Spectacle Frames - Star Nuts