Ulisem Stainless Steel Nut with Serrated Flange M4, Flanged Washer Nut for 4mm Diameter Screws, Self-Locking Hexagonal DIN 6923 / ISO 4161, A2 Stainless Steel (V2A / 304), Security Nut: Pack of 20

General Description The pack contains 20 M4 serrated flange nuts made of A2 (V2A / 304) stainless steel. These nuts, also known as flange nuts, offer a larger bearing surface than a standard hex nut, making them essential for strong and durable fastenings. Technical Specifications Type: Serrated Flange Nut Size: M4 Material: A2 (V2A / 304) Stainless Steel Weight: Not specified Installation These nuts are easily installed with a 7 mm open-end wrench on 4 mm diameter screws or threaded rods. Use M4 serrated flange nuts are designed to offer greater resistance to loosening than standard nuts, while ensuring quick and easy installation. They are suitable for indoor and outdoor use, even in damp environments (excluding seawater). Other Information