is_customized: Yes Model Number: M3 M4 M5 M6 M8 M10 DIY Supplies: Metalworking Origin: Mainland China Certification: NONE Name: Countersunk washer gasket Name: conical gasket Material: 304 stainless steel / SCM435 steel Type: Gasket Size: M3–M10 (The specification with flat or cone is 304 stainless steel) (The specification with steel is SCM435 steel) Packing instructions: plastic bag + carton The following data were measured manually in a single batch with errors. Please be careful. We are a factory. Wholesalers and retailers are welcome. If you do not receive your item, please . We will track the item. If the item cannot be delivered, a full refund or reshipment will be provided. If there are any issues with the product, please promptly. We will assist in resolving the issue. We strive to ship orders within 24 hours of placement. Processing may take longer during holidays. Due to delays and potential loss risks, economy shipping channels are not recommended. Please select a reliable logistics option. If a product has a quality issue, we will provide a refund as soon as possible. Purchase with confidence. For any product-related inquiries, please promptly. Our service principle is to provide excellent customer support. If you are satisfied with our products and services, we appreciate a five-star rating to help motivate us. We sincerely aim for every customer to have a positive shopping experience.