Countersunk Head Bolts and Nuts and Washers Set, 600 Pcs M3 M4 M5 Flat Head Hex Socket Head Cap Machine Screws Nuts and Bolts Kit, Stainless Steel Allen Head Machine Screws Fastener

• Excellent Stainless Steel Material: These nuts and bolts set are made of high-quality stainless steel material, which is corrosion-resistant, rust-proof, not easy to break, and has excellent stability, and can still maintain high strength and excellent performance in harsh environments, and durable.
• Equipped with Hexagon Nuts and Flat Washers: Each countersunk bolts is equipped with hexagon nuts, more precise installation, better tightening effect, and greater load bearing; washers can increase the contact area, reduce stress and protect parts and screws, providing strong holding force and maximum clamping force.
• Flat Head/Countersunk Head and Hexagon Socket Design: Flat head/countersunk head design, after installation, the entire bolt cap sinks into the workpiece, which can keep the surface of the workpiece smooth and beautiful. The threads of the bolts and nuts kit are clear and firm, smooth and burr-free, easy to insert and not easy to loosen.
• Multi-scenario Application: Suitable for equipment maintenance and replacement in homes, shops, garages, small repair shops, household and office appliances, various mechanical equipment, ship assembly and other machinery industries. Suitable for professionals, hobbyists, landlords, repairmen, other DIYers.
• Package Includes: You will receive 600 pcs in total, 20 pieces for each size: m3x8mm, m3x12mm, m3x16mm, m3x20mm, m4x8mm, m4x12mm, m4x16mm, m4x20mm, and 80 pcs m3 nuts, 80 pcs m3 washers, 80 pcs m4 nuts, 80 pcs m4 washers; 10 pieces of each size: m5x8mm, m5x12mm, m5x16mm, m5x20mm, and 40 pcs m5 nuts, 40 pcs m5 washers.

What are the advantages of our hexagon socket flat head screws set? 🔩 The flat head hex screw is made of high-quality stainless steel, which has good corrosion resistance, superior rust resistance and excellent oxidation resistance. 🔩 The flat countersunk head screw bolt is well made, the threads are sharp, clean and accurate. 🔩 All countersunk bolt nuts and washers sets are neatly arranged in a grid plastic box for easy storage and portability. 🔩 Suitable for equipment maintenance and replacement in homes, shops, garages, and other small repair shops. Feature: Material: Stainless Steel Color: Silver Quantity: 600 Pcs Package Includes: 20 Pcs - M3x8mm 20 Pcs - M3x12mm 20 Pcs - M3x16mm 20 Pcs - M3x20mm 80 Pcs - M3 Nuts 80 Pcs - M3 Washers 20 Pcs - M4x8mm 20 Pcs - M4x12mm 20 Pcs - M4x16mm 20 Pcs - M4x20mm 80 Pcs - M4 Nuts 80 Pcs - M4 Washers 10 Pcs - M5x8mm 10 Pcs - M5x12mm 10 Pcs - M5x16mm 10 Pcs - M5x20mm 40 Pcs - M5 Nuts 40 Pcs - M5 Washers Warranty after sale: If you have any questions about the socket head screws, please contact us in time, and we will solve your questions ASAP. Warm Tips: Color may vary slightly from the online image due to your monitor color settings, please refer to the actual product, thank you for your understanding.