Thumb Bolt 1. Standard: JIS B 1184 2. Size: M3 -M20 3. Material: stainless steel 200, 201, 304 or 316

Thumb Bolt  

1. Standard: DIN, ANSI, 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 completive price;

5. Processing: by multi-position cold-h Butterfly Bolt eading machines from Taiwan, together with precise moulds and punch pins;

6. Other names:  butterfly bolt  or wing bolt.

Stainless Steel Thumb Bolt