Stainless steel nut with serrated flange M4 flanged washer nuts for screws Ø 4mm Self-locking Hexagonal DIN 6923 / ISO 4161 Stainless steel A2 (V2A / 304) Safety nut: LOT OF 20 Pcs

General descriptionSet of 20 M4 stainless steel serrated flange nuts, also known as collar nuts or flange nuts.Offers a larger bearing surface than standard hexagonal nuts, providing effective fastening without the need for a washer.Designed for quick and efficient assembly with enhanced resistance to loosening.Technical specificationsMaterial: Stainless steel A2 (V2A / 304)Size: M4Compatible with screws or threaded rods of Ø 4mmInstallation tool: 7mm open-end wrenchOther information