The Flange Nuts With Locking Teeth and Non-Metallic Clamping Part According To Din 6926 Are A Modified Form of The Flange Nuts According To Din 6923. It Is Not Just A Form-Fitting Connection With The Material Surface That Is Created. But Also The Independent Loosening Avoided By The Integrated Plastic Clamping Part. The Plastic Clamping Part Undergoes Both Elastic and Plastic Deformation When The Nut Is Screwed In. A Wrench or Socket Wrench Is Required To Mount The Flange Nut. Areas of Application: Can Be Used With All Standard Screws (Metric Standard Thread). Due To The Large Contact Surface, Flange Nuts Are Often Used To Fasten Adapter Plates and Other Components. Materials: Nut Made of Stainless Steel A2 (V2A). The Production of Stainless Steel Allows The Use In Damp Rooms As Well As Outdoors. You Only Get First-Class Professional Quality. Quantity: 25 Pieces. Size: M4. Type: Flange Nut With Locking Teeth and Plastic Clamping Part According To Din 6926. Metric Standard Thread