• Zinc-Nickel, for a professional black finish that is resistant to corrosion and helps the nut screwing
• M12x1,25
• M12x1,5

The starting material is ultra high strength alloy steel, worked with hot forging and subsequent hardening; it gives the nuts extraordinary toughness and ensures the class 8 resistance.

The precision thread always guarantees a safe fastening while the surface treatment maintains a long-lasting professional finishing that avoid excessive wear.