APPLY TO - Flat head hexagon socket head cap screw bolts used for assembly, connecting various components like screws, nuts, and bolts. They ensure stability by connecting furniture frames, supports, and structures. Additionally, furniture screw fasteners help adjust the positions of furniture components for precise alignment during installation.SPECIFICATION:Product Name: Steel Hex Socket Bolts Countersunk Flat Head ScrewsThread Diameter: 1/4"-20(Thread Dia x Pitch)Screw Length: 4"Head Size: 2.35 x 12.5mm/0.1 x 0.49inch(H*D)Hex Width: 4mmColor: BlackMaterial: 304 Stainless steelQUANTITY INCLUDED - 10Pcs x Flat head socket cap screwADVANTAGE - Steel Hex Socket Bolts Countersunk Flat Head Screws in Different Extreme Environments; including furniture assemblies like beds, tables, cabinets, and chairs; woodworking projects involving joining wood, boards, workbenches, and kitchen countertops; as well as office appliances, 3D printing, bicycles, etc.DESIGN - Choose 304 Stainless steel Fasteners for: Flat head Hexagonal socket head type, uniform force that is not easy to slip, easy to use by normal hex keys, T-shaped hex keys, and electric screwdrivers. Suitable for replacing old bolts at any time.Stainless Steel Countersunk Bolt Note - Before making a purchase, please confirm the correct size needed. Using a caliper for measurement is recommended, and try to avoid using a ruler or tape measure .