830Pcs Set Screw Assortment Kit, Standard Sae +, M3-M8, 1/8"-40 To 5/16"-18 ??SUPERIOR QUALITY?Hexagon socket set screws are made of 304 stainless steel for better corrosion and rust resistance, with smooth threads, fine workmanship and durability. The screw kit is made of the finest manufacturing process and non-toxic, non-polluting materials for long term sustainable use. ??EASY TO USE?With clean cut edges and fine threads, these set screws for bathroom fixtures and door handles are burr-free, not prone to loosening, which can be easily screwed in with the wrench provided, making them easy and convenient for all to use. ??UNIVERSAL SIZE?The grub screw assortment kit includes most popular common sizes. Metric : M3 M4 M5 M6 M8. SAE standard: 1/8-40*1/8, 1/8-40*5/32, 1/8-40*1/4, 1/8-40*5/16, 5/32-32*3/16, 5/32-32*1/4, 5/32-32*5/16, 3/16-24*3/16, 1/4-24*5/16, 1/4-20*1/4, 1/4-20*3/8, 5/16-18*5/16. This hex drive cup-points crews come with 5pcs hex wrenches.Total 830 pcs, 24 different sizes can meet your different needs. ??WIDE APPLICATION? This screw suitable for various scenarios, such as faucets repairing, door handles installing, installation of lamps, pipes fixing, etc. ??STURDY AND CONVENIENT BOX?Convenient to carry, easy to organize. The allen screws come with a thickened and exquisite box, each size has a separate space for storage, with size/type chart. you can get the exact size easily.