square head set screws 中文意思是什麼
square head set screws
解釋
四角頭固定螺絲-
Slotted head cap screws, square head set screws, and slotted headless set screws inch series
開槽圓頭螺釘方頭定位螺釘和開槽無頭定位螺釘 -
Slotted head cap screws, square head set screws, and slotted headless set screws
開槽圓頭螺釘方頭止動螺釘和開槽無頭止動螺釘 -
Square head set screws
方頭定位螺釘
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