... drum flange and drum plug 2" and 3/4" drum flange plug for 200-liter drum Drum flange and drum plug/bung1. 2"&3/4" (70mm and 35mm) drum ... flange2. plug for 200-liter(55 US gallons) drum/ ... Material: iron/tin, zinc plated4. Widely used in cap (lid), drum (bucket), can making, lubricant, paint manufacturing , chemical, petroleum, ...