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Home About Us Feedback Add to Favorite Contact Us STORE CATEGORIES All Categories Fasteners Screws Bolts Nuts Washers Titanium Bolt/Washer/Nut Rivets Hexagon Pillars Dowel Pins/Cotter Pin Threaded Bar Assortment Kit M3 M4 M5 M6 M8 Button Head Socket Cap Screws, 12.9 Steel Black Ox ISO 7380 Bolts Product Features: ● 【High Quality 】: Made of high-quality grade 12.9 SCM435 Alloy Steel , strong and durable, with black oxidation treatment on the surface. They are corrosion-resistant and work well even in humid environments. ● 【 Precise and Strong】 : Our bolts feature precise and well-formed threads, ensuring a secure fastening and reducing the risk of loosening or stripping. The high hardness of the high-quality grade 12.9 SCM435 Alloy Steel material ensures reliable performance in various applications. ● 【widely used】These screws are suitable for a variety of manual DIY projects, including 3D printing and RC racing projects, furniture repair, and screw replacement for some instruments and equipment. ●【 Exceptional Customer Service】 : We are committed to providing high-quality products and excellent customer service. If you are not completely satisfied with your purchase, please contact us, and we will ensure that any issues are resolved promptly. ● Surface Treatment: Black Oxide ● Standard: DIN ISO 7380 ● Material：SCM435 Alloy Steel ● Length： length is optional ● Metric Package included: according to your choice. Select your requirements from the drop down menu above. Note: This product contains small parts, please keep it away from babies, small children, and pets. (If the size you are looking for is not listed, please contact us and we will be happy to help！) Home Search About Contact Categories All categories Assortment Kit Fasteners Screws Bolts Washers Nuts About us About Item After Sales Service Guarantee Payment About us ● If you are satisfied with the products, I expect you can leave us positive feedback. ● If you have any problems or be not satisfied with them, please feel free to contact us, we will reply to you within 24 hours. About Item ● All products in our store are elaborately made,Please feel free to buy. If you need other specifications, please contact us. If you buy a large quantity, we can accept your quotation. After Sales Service ● We are committed to providing excellent customer service. If you have any problems with our products, please contact us immediately and we will be happy to assist you to ensure your satisfaction! We will do our best to respond to your email as soon as possible. ● We will do our best to respond to your e-mail as soon as possible, but due to the large number of e-mails we receive each day and the time difference, we may not be able to respond to your e-mail immediately. Please allow up to 24 working hours for us to respond. Guarantee ● Good quality. Buy with confidence! ● If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it. ● Not accept returning of electronic components. ● Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer. ● We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately before you give us neutral or negative feedback, so that we can satisfactorily address your concerns. Payment ● We accept multiple payment methods supported by the platform.We only accept your Ebay Address, Please Make sure it's 100% right.The items you ordered will be shipped out in 2 business days by Air Mail when your payment is clear.