| 36 |
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GB 5784 - 1986
細桿六角頭螺栓 B級
Hexagon Head Bolts - Reduced Shank - Product Grade B
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| 37 |
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ISO 8676 - 2011
六角頭螺栓 細牙 全螺紋
Hexagon Head Screws with Metric Fine Pitch Thread - Product Grades A and B
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| 38 |
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AS/NZS 2451 - 1998
英制螺紋六角頭螺栓
Bolts with Britishstandard Whitworth Threads (Rationalized Series)
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