10pcs/lot M1.6 M2 M2.5 M3 M4 M5 M6 M8 304 stainless steel CM six-leaf Torx ultra-thin ultra-low flat wafer head bolts

10pcs/lot M1.6 M2 M2.5 M3 M4 M5 M6 M8 304 stainless steel CM six-leaf Torx ultra-thin ultra-low flat wafer head bolts

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