Hexagonal countersunk machine screw Hexagonal countersunk machine screw Surface: Washed white/blackened/blue white zinc/Dacromet, etc Material: 304/316/316L/10B21/PA66/2205/PEEK/carbon steel, etc Level: 4.8/8.8/A2-50/A2-70/A4-70 INQUIRY BASIC INFO PREVIOUS：hex nut NEXT：Cross pan head machine screw RELATED hex nut Cross pan head machine screw Cross countersunk machine screw expansion bolt
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