... :500 pieces SpecificationAccording to your requirement.MaterialStainless steel, copper, brass, carbon steel, aluminum (according to customer's requirement.Surface ... to your requirements.Our featuresA company with industry and trade integrationMain ProductsDowel pins, inserts, pin, automobile fittings, shaft, nut, sleeve, ... please click our website: http://gdsx.en.alibaba.com brass bushing and inserts