... have rich experience 3. Compative price Specifications1. The name: Crown screw 2. Material: carbon steel,iron,stainless steel 3. Model number ... plated,nicke 1. The name of product: Stainless steel Crown screw 2. Material: carbon steel,iron,stainless steel 3. Specifications: Model ... also produce according to our client's requirement low price high quality crown screw