【Trusted and Experienced】: Our products are designed and manufactured by professional fastening manufacturers with over 15 years of industry experience. Our fasteners are widely used in aerospace, high-speed railroads, ships, automobiles, computers, furniture, and other fields. 【Good Storage and Sorting】: All of these bolts, nuts, and washers are packed in a sturdy, user-friendly plastic storage box. They are sorted into categories and labeled so you can quickly find the size you need. To prevent the products from getting mixed up or damaged during shipping, we have packaged the smaller sizes separately and provided a sturdy outer box for additional protection. 【Packing List】: The packing list includes M4 metric screws with a thread pitch of 0.7mm, made of Grade 8.8 alloy steel. These are button head socket cap screws with a black zinc plated surface finish. The pack contains 20 pieces each of M4 screws in 6mm and 8mm lengths, 15 pieces each of M4 screws in 10mm, 12mm, 16mm, and 20mm lengths. Additionally, there are 100 pieces of M4 washers and 100 pieces of M4 nuts included in the pack, along with 1 piece of a hex allen wrench. 【Multi-purpose Applications】: This set is suitable for use in various DIY projects, such as 3D printing, TV and projector installation, motorcycle repair, furniture repair, and more, making it a perfect addition to any home or workshop. Keeping a set of frequently used WZHUIDA screw sets on hand can make your job easier. 【Environmental Commitment】: As a socially responsible company, WZHUIDA is committed to sustainability. We have implemented a series of environmental measures to minimize our impact on the environment during the production process while providing sustainable product options.

< p >WZHUIDA - Your trusted name in professional fastener manufacturing with 15 years of experience. < /P > < p >Welcome to WZHUIDA, your leading manufacturer of professional fasteners. With a proud 15 years of experience, we are dedicated to delivering high-quality fastening products to customers worldwide. Whether you need fasteners for DIY projects at home or are looking for reliable fastening solutions in the professional construction and manufacturing sector, we are here for you. < /P > < p >Specification:< br > Thread pitch: The distance between adjacent threads of these M4 metric screws is 0.7mm< br > Material: Grade 8.8 alloy steel< br > Screw type: Hexagon socket screw< br > Surface finish: Black Zinc Plated< br > Packing List:< br > M4 x 6 mm 20 pcs< br > M4 x 8 mm 20 pcs< br > M4 x 10 mm 15 pcs< br > M4 x 12 mm 15 pcs< br > M4 x 16 mm 15 pcs< br > M4 x 20 mm 15 pcs< br > M4 Washers 100 pcs< br > M4 Nuts 100 pcs< br > Allen Wrench 1 piece< br > Total: 300 pieces M4 hexagon socket screws made of alloy steel grade 8.8, 1 piece hexagon socket wrench. < /P > < p >Whether you need screws, nuts, bolts, washers, or any other type of fasteners, WZHUIDA offers a diverse selection. Our product line includes various specifications, sizes, and materials to meet the needs of different projects. < /P > < p >Choose WZHUIDA for the assurance of quality and reliability. We look forward to working with you to provide high-quality fasteners that will help your projects succeed. Whether you are an individual consumer or a professional in your field, WZHUIDA is the trusted partner you can count on. < /P >