Flange nuts have a washer-like base to distribute pressure over a greater surface area and ensure the fastener stay tight. They are commonly used in manufacturing assembly lines where operations are speeded by using a single fastener instead of a nut and washer.
1. English name: Hexagon nuts with flange;
2. Other names: pad nuts, spiral nuts, hex flange nuts, flange nuts, etc.;
3. Function or use: mostly used in pipe connection or need to increase the nut contact surface of the work piece;
4. Material: A3 low carbon steel, 35K high-speed steel wire, 45# steel, 40Cr, 35Crmo;
5. Strength level: 4, 5, 6, 8, 10, 12;
6 Surface treatment: color zinc plating and white zinc plating two kinds, and generally cold galvanizing;
7. Main specifications: M5, M6, M8, M10, M12, M14, M16, M20 (flange nuts above M20 specifications and M14 M18 are not commonly used);
8. Thread specifications: refer to national standard nut thread.
