Bright zinc plated (BZP). Hexagon Full Nuts – Zinc Plated Steel – DIN 934. These are the standard, most commonly used hexagon nuts. M8 6.5mm 1.25mm 13mm. M4 3.2mm 0.7mm 7mm. M2 2mm 0.40mm 4mm. M2.5 2mm 0.45mm 5mm.
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