1	[國标] GB /T 8 - 2021	方頭螺栓 C級 Square Head Bolts - Product Grade C 供應商(5)
2	[國标] GB /T 35 - 2013	小方頭螺栓 Square Head Bolts With Small Head 供應商(4)
3	[國标] GB /T 35 - 1988	小方頭螺栓 Small square head bolts 供應商(4)
4	[國标] GB 8 - 1988	方頭螺栓 C級 Square Head Bolts - Product Grade C 供應商(5)
5	[國标] GB 8 - 1976	方頭螺栓 C級 Square Head Bolts - Product Grade C 供應商(5)
6	[德标] DIN 21346 - 1989	木軸導向用方頭螺栓 Square Head Bolts For Shaft Guides
7	[日标] JIS E 1107 - 2008	魚尾闆用四方螺栓 Fish Plate Bolt Square Head
8	[日标] JIS B 1182 (T1-1) - 1995	方頭螺栓(精制) [Table 1-1] Thin Square Head Bolts [Table 1-1]
9	[日标] JIS B 1182 (T1-2) - 1995	方頭螺栓(中等精度) [Table 1-2] Square Head Bolts [Table 1-2]
10	[日标] JIS B 1182 (T1-3) - 1995	方頭螺栓(粗制) [Table 1-3] Square Head Bolts [Table 1-3]
11	[日标] JIS B 1182 (T2) - 1995	大方頭螺栓(粗制) [Table 2] Large Square Head Bolts [Table 2]
12	[汽标代号] Q 194B	小方頭螺栓 Small square head bolts
13	[美标] ASME/ANSI B 18.2.1 (T1) - 1996	方頭螺栓 [Table 1] Square Bolts [Table 1] 供應商(1)
14	[意大利] UNI 5729 - 1965	帶方螺母的寬方頭螺栓和螺釘米制螺紋 C級 Large square head bolts and bolts with square nut - metric coarse thread - Finish C
15	[英标] BS 916 - 1953	英制方頭全螺紋螺釘粗制 - 镦鍛 [Table 1] Spuare Head Screws with B.S.Threads [Table 1]
16	[英标] BS 916 - 1953	英制薄方頭全螺紋螺釘 - 粗制 - 車削支承面 [Table 2] Square Head Screws faced under head with B.S.Threads - Black [Table 2]
17	[英标] BS 916 - 1953	英制方頭螺栓 - 粗制 - 車削支承面或車削支承面和光杆 [Table 2] Square bolts faced under head, and faced under head and turned on shank with B.S.Threads - Black [Table 2]
18	[英标] BS 916 - 1953	英制方頭螺栓 - 粗制 - 镦鍛 [Table 1] Square Head Bolt with B.S.Threads [Table 1]
19	[台灣] CNS 3134 - 1981	精制方頭螺栓 Square Head Bolts (Finished)
20	[台灣] CNS 3135 - 1981	次精制方頭螺栓 Square Head Bolts (Semi-Finished)
21	[台灣] CNS 3136 - 1981	一般用方頭螺栓 Square Head Bolts (Regular)
22	[台灣] CNS 3137 - 1981	大方頭螺栓（一般用） Large Square Head Bolts (Regular)
23	[俄标] GOST 21249 (-1) - 1996	方頭螺栓 - 1型 - 半沉頭 Blunt Bolts for General Purpose - Basic Parameters and Dimensions
24	[俄标] GOST 21249 (-2) - 1996	方頭螺栓 - 2型 - 沉頭 Blunt Bolts for General Purpose - Basic Parameters and Dimensions
25	[美标] ASME B 18.2.1 (T4) - 2012	四方斜頭螺栓 [Table 4] (ASTM A307 / A354 / A394) Askew Head Bolts [Table 4] (ASTM A307 / A354 / A394) 供應商(1)
26	[美标] ASME B 18.2.1 (T1) - 2012	方頭螺栓 [Table 1] (ASTM A307 / A354 / A394) Square Head Bolts [Table 1] (ASTM A307 / A354 / A394) 供應商(1)
27	[美标] ASME B 18.2.1 (T1) - 2010	方頭螺栓 [Table 1] Square Head Bolts [Table 1] 供應商(1)
28	[美标] ASME B 18.2.1 (T4) - 2010	四方斜頭螺栓 [Table 4] Askew Head Bolts [Table 4] 供應商(1)
29	[美标] ASME B 18.2.3.10M - 1996	米制四方頭螺栓 Metric Square Head Bolts