點擊觀看大圖 六角頭螺絲 SD03 六角頭螺絲 DIN931/933, ISO4017/4017, ASME B18.2.1 Working Time: 75 days 碳鋼，合金鋼 M5~M20, length 300mm MAX (no.10~3/4”, 12” long MAX) M22~M36, length 240mm MAX (7/8~1-1/8”, length 8” MAX)
