5/50pcs M1.6M2M2.5M3M3.5M4M5M6M8M10M12 Black 304 Stainless Steel Hex Hexagon Nut

M1.6(0.35mm) / M2 (0.4mm) / M2.5 (0.45mm) / M3(0.5mm) / M3.5(0.6mm). 304(A2-70) stainless steel. Surface ： black. M4(0.7mm) / M5(0.8mm) / M6(1mm) / M8(1.25mm) / M10(1.5mm) / M12(1.75mm).

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