Wing bolts or wing screws are specially designed fasteners, whose heads are usually butterfly-shaped or wing-shaped, which are convenient for manual tightening and loosening. Common materials include stainless steel, carbon steel, alloy steel, etc. The thread specifications range from M5 to M48, and the length can range from a few millimeters to hundreds of millimeters. You can choose the appropriate specifications according to your needs. The surface treatment is blackening, electro-galvanizing and galvanizing. The correct selection and use of Wing Bolt is essential to ensure the stability and safety of the structure.