【Standard Metric Size】1744pcs M2 M3 M4 M5 allen screws includes: M2*4mm/6mm/10mm/12mm, M3*6mm/8mm/12mm/16mm, M4*8mm/12mm/16mm/20mm, M5*12mm/16mm/20mm/25mm with matching nuts and flat & spring lock washers & wreches
【High-Quality 12.9 Grade Alloy Steel】VIGRUE Metric Bolt Assortment is made of premium grade 12.9 alloy steel for high Hardness and good corrosion resistance in harsh environments such as high temperature, cold weather and high humidity areas. And they also have superior oxidation resistance to ensure long-term use
【Widely Applications】In all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc
【Good storage and assortment】All These Screws are Packed In a Sturdy Easy-use Plastic Storage Box, Organized Conveniently and Easily
【100% Satisfied Service】VIGRUE offer a 1-year quality problems package replacement, lifetime warranty, if you are not completely satisfied, please feel free to contact us, we will make every effort for your matter