Hexagon Flange Nuts – Serrated – Zinc Plated Steel – DIN 6923. M16 34.5mm 16.0mm 2.00mm 24mm. M12 26.0mm 12.0mm 1.75mm 18mm. M4 9.6mm 4.5mm 0.70mm 7mm. Serrated flange provides a strong self-locking effect.
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