High-quality 304 stainless steel material for our hex head nuts, bolts, and washers kits provides superior resistance to rust, wear, oxidation, and corrosion, as well as high hardness and durability.
The preloading contact area is increased by the external hexagonal design, allowing for a large preloading force and easy installation and disassembly in tight spaces. The compact structure of the bolts and nuts kit prevents loosening and has a high load-bearing capacity.
The kit includes a hex nut for precise installation and increased load-bearing capacity, a flat washer for strong holding force and maximum clamping force, and a spring washer for tension and preload in joint assemblies.
Versatile for use in various mechanical equipment, instruments, household appliances, electronics, communication products, locks, lamps, and maintenance industries. Ideal for professionals, maintenance personnel, carpenters, landlords, handymen, and repairmen.
The package contains a total of 496 pcs in various sizes including m4*12 mm, m4*16 mm, m4*20 mm, m4*30 mm, m5*16 mm, m5*20 mm, m5*25 mm, m5*30 mm, m6*16 mm, m6*20 mm, m6*30 mm, m6*40 mm, with corresponding nuts and two kinds of washers, meeting daily use needs with sufficient quantity and size variety.