... 英制外六角螺丝 British system hex screw 英制圆头一字螺丝 British system slotted pan head screw 手转螺丝 Knurled screw ...
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M4_KG_63_83_K 品名(NAME)：手转螺丝 (KNURLED THUMB SCREWS)材质(MATERIAL)：NYLON 66 UL94V-2颜色(COLOR)：NATURAL,..
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短语
美制手转螺丝
American system knurled screw