1	[国标] GB /T 12 - 2013	圆头方颈螺栓 Cup Head Square Neck Bolts 供应商(13)
2	[国标] GB /T 12 - 1988	半圆头方颈螺栓 Cup head square neck bolts 供应商(13)
3	[国标] GB 12 - 1976	半圆头方颈螺栓 Semi-round head square neck bolts 供应商(13)
4	[国标] GB /T 794 (A) - 2021	A型加强半圆头方颈螺栓 Strenthened Cup Head Square Neck Bolts - Type A
5	[国标] GB /T 794 (B) - 2021	B型加强半圆头方颈螺栓 Strenthened Cup Head Square Neck Bolts - Type B
6	[国标] GB /T 794 - 1993	加强半圆头方颈螺栓 Strengthened Cap Head Square Neck Bolts
7	[国标] GB /T 794 - 1988	加强半圆头方颈螺栓 Strengthened Cap Head Square Neck Bolts
8	[日标] JIS B 1171 (AT3) - 1996	带凹槽半圆头方颈螺栓 [表3] Cup head square neck bolts（With indentation）[Table 3]
9	[美标] ASME/ANSI B 18.5 - 2012	英制圆头方颈螺栓 [Table2] (A307, SAE J429, F468, F593) Round Head Square Neck Bolts,(Inch Series) [Table2] (A307, SAE J429, F468, F593) 供应商(5)
10	[美标] ASME/ANSI B 18.5 - 2008	英制圆头方颈螺栓 [Table2] Round Head Square Neck Bolts,(Inch Series) 供应商(5)
11	[澳标] AS /NZS 1390 - 1997 (R2016)	米制圆头方颈螺栓 ISO Metric Cup Head Square Neck Bolts
12	[美标] ASME B 18.5 - 2012 (2017)	美制圆头方颈螺栓 [Table2] (A307, SAE J429, F468, F593) Round Head Square Neck Bolts,(Inch Series) [Table2] (A307, SAE J429, F468, F593) 供应商(5)