Stainless steel nut with serrated flange M4, flanged washer nuts for 4mm diameter screws, self-locking, hexagonal, DIN 6923 / ISO 4161, A2 stainless steel (V2A / 304), security nut: PACK OF 20

LELOT: 20 M4 serrated flange nuts in SIMPLE AND EFFECTIVE STAINLESS STEEL: Thanks to its wide base, this nut, also called a flange nut, offers a larger bearing surface than a standard hexagonal nut. It is an essential fastening element because it eliminates the need for a washer, offers superior resistance to loosening compared to a standard nut, while ensuring quick and easy assembly. SECURITY AND LOCKING: The serrations on the base lock the nut in place to prevent it from loosening. This durable, high-quality nut is easily installed with a 7mm open-end wrench on 4mm diameter screws or threaded rods. Also available in several sizes → M3 / M4 / M5 / M6 / M8 / M10 / M12 / M16. RUST-RESISTANT: A2 - V2A - AISI 304 stainless steel. Unlike steel Zinc-plated or galvanized, this stainless steel nut resists corrosion and does not rust. It is therefore suitable for indoor and outdoor use, even in humid environments (except seawater).