M8 6.5mm 1.25mm 13mm. M10 8mm 1.5mm 17mm. M4 3.2mm 0.7mm 7mm. M6 5mm 1.0mm 10mm. M30 24mm 3.5mm 46mm. M5 4mm 0.8mm 8mm. Self Colour Nuts are unplated fasteners with a thermal black oxide finish. During production, they are typically coated with a light layer of oil to help prevent rust while in storage.
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