Domqga Grub Screw 220 Pcs Grub Screw Stainless Steel M3 to M8 Inner Hex Concave End Tight Joint Tool for Precise Instrument

Feature: 1. Stainless steel materials ensure the durability of the product slide outside clear thread uniform no burr 2. Fine workmanship exquisite application durable is old or damaged perfect alternative 3. Including fixed screws of different standards easy to operate widely used in a variety of accuracy instruments and electronic products etc. 4. With a storage box design professional practical small appearance convenient 5. Mainly used for fastening connection of aluminum profiles such as fastening connection between tetragonum multi slot aluminum profiles Specification: Item Type: Grub Screw Material: Stainless Steel Product Specifications: 3 x M3 4 x M3 6 x M3 4 x M4 6 x M4 5 x M5 8 x M5 6 x M6 10 x M6 8 x M8 Number: 22pcs Each Model Package List: 3 x M3（22pcs） 4 x M3（22pcs） 6 x M3（22pcs） 4 x M4（22pcs） 6 x M4（22pcs） 5 x M5（22pcs） 8 x M5（22pcs） 6 x M6（22pcs） 10 x M6（22pcs） 8 x M8（22pcs） 1 x Storage Box How to use: Instructions: Direct use.