149 Pcs M6 Screws Set, Countersunk Bolts and Nuts Set, Countersunk Nuts and Bolt

--Exquisite Materials: M6 screws set is made of high-quality 10.9 carbon steel, with nickel-plated surface, exquisite workmanship, corrosion resistance, not easy to rust, not easy to deform or break, with long-term durability and stability\n--Countersunk Head Screws Bolts and Nuts Set: Countersunk head screws/flat head screws design to maintain the flatness and beauty of the workpiece surface; clear thread, uniform pitch, stable force, excellent tensile strength, not easy to slip\n--Hex Socket Head Cap Screws Nuts and Bolts Set: Hexagon socket screws and flat head design provide higher torque and are easy to install and remove with the equipped wrench. Equipped with nuts and washers, tighten more accurately and extend the service life of screws and parts\n--Widely Used: Suitable for precision machinery, classification instruments, electronic products, measuring instruments, household appliances, communication products, furniture, lamps, bicycles, automobiles, homes, home repairs, scr.