1064 Pcs M3 M4 M5 M6 Screws Set, Countersunk Head Screw Nuts and Bolts Set, Machine Screws and Nuts Sets with Washers, Flat Hex Socket Head Cap Bolts Assortment with Wrench

• Exquisite Materials: m3 m4 m5 m6 screws set is made of high-quality 10.9 carbon steel, with exquisite workmanship, high hardness, high strength, not easy to break and deform, scratch-resistant, corrosion-resistant, not easy to rust, with long-lasting durability and stability
• Countersunk Hex Socket Head Cap Screws Bolts and Nuts Set: The flat head screws/countersunk screws design makes the tension range wider and the average load lower when tightening. The hexagonal design makes it easier for you to tighten and loosen the screws with a matching wrench
• Equipped with Hex Nuts and Flat Washers: Hexagonal nuts can make your installation more precise, tighten better, and carry a larger load; Flat washers can increase the contact area, protect the bolts, extend the service life, provide strong holding force and maximum clamping force
• Widely Used: Suitable for furniture repair, mechanical instruments, electronic products, electrical appliances, household appliances, DIY projects, communication equipment, and other fields. Suitable for workers, mechanics, installers, professionals, hobbyists and craftsmen
• Package Includes: 1064 pieces in total, size include: M3 x 8mm/12mm/16mm/20mm, M4 x 8mm/12mm/16mm/20mm, M5 x 8mm/12mm/16mm/20mm, M6 x 10mm/12mm/16mm/20mm, meet daily use needs

What are the advantages of our flat head hex socket cap head screws? 1. m3 m4 m5 m6 bolts and nuts set is made of high-quality 10.9 carbon steel, with high hardness and strength, not easy to break or deform, scratch-resistant, corrosion-resistant, rust-resistant, and durable 2. Flat head hexagon socket head cap screws have clear threads, uniform pitch, and flat head/countersunk head design, which makes the tension range wider and the average load lower when tightening. 3. Hex socket head cap screws adopt hexagon design, which not only provides higher torque, but also reduces the risk of slipping and damage when tightening. 4. Equipped with nuts and washers, tightening is more precise and extends the service life of screws and parts. 5. Suitable for repairing furniture, mechanical instruments, electronic products, electrical appliances, household appliances, DIY projects, communication equipment and other fields Features: Material: 10.9 Carbon Steel Color: Black Quantity: 1064 Pcs Package includes: 50 Pcs - M3x8mm 40 Pcs - M3x12mm 30 Pcs - M3x16mm 30 Pcs - M3x20mm 150 Pcs - M3 Washers 150 Pcs - M3 Nuts 30 Pcs - M4x8mm 30 Pcs - M4x12mm 20 Pcs - M4x16mm 20 Pcs - M4x20mm 100 Pcs - M4 Washers 100 Pcs - M4 Nuts 20 Pcs - M5x8mm 20 Pcs - M5x12mm 15 Pcs - M5x16mm 15 Pcs - M5x20mm 70 Pcs - M5 Washers 70 Pcs - M5 Nuts 10 Pcs - M6x10mm 10 Pcs - M6x12mm 10 Pcs - M6x16mm 10 Pcs - M6x20mm 30 Pcs - M6 Washers 30 Pcs - M6 Nuts 4 Pcs - Wrench Customer service guarantee: If you have any questions, please contact us in time and we will answer your questions as soon as possible.