Flange Bolt 1. Standard: DIN, ANSI, GB 2. Size: M4 to M16 3. Material: stainless steel 200, 201, 304, 316 Flange Bolt1. Standard: DIN, ANSI, GB and non-standard;2. Thread: full or half;3. Surface: full hexagon and flange, no burr and nice flatness;4. Raw Material: bought from Group Company, with at least 100 tons per batch, with stable quality and competitive price ;5. Processing: by cold-forging ...