SIZE: Thread Diameter: 8mm; Screw Length: 80mm; Thread Pitch: 1.25mm; Head Diameter: 14.1mm, Head Height: 3.8mm, Hex Drive Size: 5mm. Ideal for furniture assembly and outdoor use. (Not recommended for large machinery or structural use) MATERIAL - 304 stainless steel material. Mywish 304 stainless steel products have been rigorously tested, better corrosion and anti-rust performance in different extreme environment. Strong solid structure and long-lasting. Please note that the magnetic properties of 304 steel always show weak magnetic properties due to the structure transformation reasons. WIDE RANGE OF APPLICATIONS - 20 pieces set. Stainless socket head cap screw are suitable for furniture assembly (crib, beds, tables, cabinets, chairs, etc.), woodworking projects (joining wood, boards, workbench, kitchen worktops), office appliances, communication equipment, ship assembly, and various machinery industry needs. PACKAGING - 20 Pieces M8 Bolts Assortment Kit, comes with sturdy and reusable transparent storage container. Label with the size and quantity of hex screws. Easy to distinguish the size of bolts. Provide variable solutions to meet diverse situation. All within a comprehensive kit. AFTER SALE SERVICE - MYWISH team aims to provide our customers with a professional service. Dedicated to promptly solving any concerns or queries. Please contact us if you have any issues with the products.