1	[国标] GB /T 70.2 - 2015	内六角平圆头螺钉 Hexagon Socket Button Head Screws 供应商(10)
2	[国标] GB /T 70.2 - 2008	内六角平圆头螺钉 Hexagon socket button head screws 供应商(10)
3	[国标] GB /T 70.2 - 2000	内六角平圆头螺钉 Hexagon Socket Button Head screws 供应商(10)
4	[国标] GB /T 70.4 - 2015	内六角平圆头凸缘（华司）螺钉 Hexagon Socket Button Head Screws with Collar
5	[国际] ISO 7380-1 - 2022	内六角圆头螺钉 Hexagon Socket Button Head Screws 供应商(13)
6	[国际] ISO 7380-2 - 2022	内六角平圆头凸缘（华司）螺钉 Hexagon Socket Button Head Screws with Collar 供应商(6)
7	[国际] ISO 7380-1 - 2011	内六角圆头螺钉 Hexagon Socket Button Head Screws 供应商(13)
8	[国际] ISO 7380-2 - 2011	内六角圆头带垫螺钉 Hexagon Socket Button Head Screws With Collar 供应商(6)
9	[国际] ISO 7380 - 2004	内六角圆头螺钉 Hexagon Socket Button Head Screws 供应商(13)
10	[国际] ISO 7380 - 1997	内六角圆头螺钉 Hexagon socket button head screws 供应商(13)
11	[日标] JIS B 1174 - 2017	内六角圆头螺钉 Hexagon Socket Button Head Screws
12	[日标] JIS B 1174 - 2017	内六角圆头带垫螺钉 Hexagon Socket Button Head Screws With Collar
13	[日标] JIS B 1174 - 2006	内六角圆头螺钉 Hexagon Socket Button Head Screws
14	[日标] JIS B 1174 - 1994	内六角圆头螺钉 Hexagon socket button head screws
15	[美标] ASME/ANSI B 18.3 - 2003	内键槽平圆头螺钉 Spline socket button head cap screws
16	[美标] ASME/ANSI B 18.3.4M - 1986	米制内六角平圆头螺钉 Metric heaxagon socket round head screws
17	[美标] ASME/ANSI B 18.3.4M - 1986 (R2008)	米制内六角圆头螺钉 (ASTM F835M / F879M / A1-70) Hexagon Socket Button Head Cap Screws (Metric Series) (ASTM F835M / F879M / A1-70)
18	[法国] NF E 25-126 - 2004	内六角圆头螺钉 Hexagon Socket Button Head Screws
19	[英标] BS 2470 - 1973	统一螺纹内六角圆头螺钉 Table 4 Hexagon Socket Round Head Screws - Unified Thread
20	[企标] YJT 4026	内六角大平头螺钉 Hexagon Socket Flat Head Screw
21	[德标] DIN EN ISO 7380 (-1) - 2011	内六角圆头螺钉 Hexagon Socket Button Head Screws 供应商(1)
22	[德标] DIN EN ISO 7380 (-2) - 2011	内六角圆头凸缘螺钉 Hexagon Socket Button Head Screws with Collar
23	[美标] ASME B 18.3 (T11) - 2012	内六角圆头螺钉 [Table 11] (ASTM F835 / F879) Hexagon Socket Button Head Cap Screws [Table 11] (ASTM F835 / F879) 供应商(3)
24	[美标] ASME B 18.3 - 2003 (R2008)	内六角圆头螺钉 [Table 3] Hexagon Socket Button Head Cap Screws 供应商(3)