1625-piece assorted screw, bolt, and nut kit, M2, M3, M4, and M5 nuts and bolts with locking washers, grade 10.9 alloy steel, hex socket head screw, nut, and bolt assortment kit

The assortment of high-quality metric bolts and nuts made of 10.9 alloy steel features clear threads, uniform strength, high tensile strength, superior rust resistance, and excellent oxidation resistance.

【Standard Metric Size】1625 pieces M2 M3 M4 M5 Allen screws with nuts and flat and spring locking washers. Screws 4-piece button socket head set in lengths of 8mm, 12mm, 16mm, and 20mm, equipped with 4 Allen keys for convenient installation. This nut and bolt assortment kit comes in a reinforced case with thickened dividers and a lock, keeping all components organized. Clear labels are affixed to the inner and outer lids for easy storage and access. This machine screw assortment kit, with many different sizes, is widely used. For 3D printers, computers, instruments, electronic products, household appliances, lamps, cabinets, and bicycle repairs.