BSW Wing Nut / Butterfly Nut / Thumb Nut

Wing Nut

1. Standard: DIN315, ISO, ANSI, BSW, GB and non-standard;

2. Thread: coarse, fine or extra fine (e.g. M10-1.5, M10-1.25, M10-1.0);

3. Surface: full WING shape, no burr and nice flatness;

4. Raw Material: bought from Group Company, 100 tons per batch, with stable quality and competitive price;

5. Processing: by multi-position cold-forging machines, together with precise moulds and punch pins;

6. Other names: thumb nut or butterfly nut.