440Pcs Metric Screw Assortment, M3/M4 12.9 Grade With Washer & Wrench

Product Details: Material: 12.9 Grade Steel M3/M4x6/8/10/12/16/20mm(D*H) thread size Package Content: 440pcs x Hex Socket Head Cap Bolts Screw Kit Material -The bolt kits are made of 12.9 Grade Steel material, which is corrosion-resistant and rust-resistant, not easy to break, can maintain high strength and excellent performance in harsh environments, and is durable for long-time use.Feature -This bolt kit thread is very smooth, sharp, and accurate. Uniform force, located in the center of the head with no offset, not easy to slipApplication -Widely used in furniture, household items, industry, construction, machines, motorcycles, equipment repair, and other DIY projects. For appliance maintenance and replacement in homes, shops, garages, and other small repair shops to replace damaged and missing screws.Notice -The bolt kits are packed in a durable box, to avoid making a mess, the box is clearly labeled so that you can quickly identify the size you need by the label.