200 Pieces Stainless Steel Grub Screws M3 M4 M5 M6 M8 Machine Screws Assortment Kit Fasteners Grub Screws High Quality MaterialThis stainless steel deck screw set is made of high quality 304 stainless steel, high hardness, not easy to deform, eco-friendly, wear-resistant and corrosion-resistant and durable for long time use. Various SizesThis stainless steel screws set contains 10 different sets of screws, totaling 200 pieces: M3 x 0.5 x 3 mm, M3 x 0.5 x 4 mm, M3 x 0.5 x 6 mm, M4 x 0.7 x 4 mm, M4 x 0.7 x 6 mm, M5 x 0.8 x 5 mm, M5 x 0.8 x 8 mm, M6 x 1 x 6 mm, M6 x 1 x 10 mm, M8 x 1.25 x 8 mm. Different sizes can better meet your needs. Easy to Use All metal screws are in a storage box, easy to carry and use. The size and number of binding screws are in the storage box, so you can find the right size quickly and easily. Easy to Install The stainless steel wood deck screw is easy to use even for beginners. With the hexagonal groove, the screws and bolts do not slip easily, it is easier to install and saves time. Widely Used The flat head screw plate is suitable for precision instruments, meters, electronic products, communication products, locks, lamps, lighting, etc. shops, garages.