Standard Metric A2 Stainless Steel Hex Dome Acorn Cover Nuts M3,4,5,6,8,10,12,16

A2 stainless steel. M3 / 3mm 5mm 6mm 0.5. Standard thread. M16 / 16mm 24mm 28mm 2. M12 / 12mm 19mm 22mm 1.75. M10 / 10mm 17mm 18mm 1.5.

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