【STAINLESS STEEL MACHINE SCREWS】1200PCS assorted nuts bolts and flat washers are made of stainless steel 304, high-strength hardware with decent corrosion resistance. Perfect for general uses, even use it below the water line.No rust for 50+ years，Passivated Surface，reinforced rust resistance, please feel free to use it in humid and high temperature environments.

【PHILLIPS DRIVE & SAE SIZES】16 most common selections of phillips drive stainless screws。Contains 1200PCS machine screws bolts, nuts and lock&flat washers，stainless steel screws m4*10mm、m4*20mm. Includes #6-32 #8-32 #10-24 machine screw assortment kit with case.

【WIDE APPLICATIONS】these screws can be widely used in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc.These assorted nuts and bolts are widely used in household，renovation, fence, storage, cabinet, frame and DIY projects.

【CONVENIENT SEE-THROUGH BOX】All of screws are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. The box is clearly labelled so that you can quickly identify the size you need by the label.Not only give you the best product, but also the best storage system for them.

【AFTER-SALE SERVICES】We have a 1-year quality problems package replacement, lifetime warranty. If you have any question or suggestion, Please feel free to contact us anytime. We will do our best to provide you a pleasure shopping experience.