Standard Materials - Crafted from Carbon Steel, these screws have strength and long-lasting durability. For a wide range of applications, particularly in dry indoor settings, they offer a cost-effective solution for numerous projects, meeting JIS B 1111 standards.SPECIFICATION:Product Name: Machine Screws Phillips Head with WashersThread Diameter: M4-0.7(Thread Dia x Pitch)Screw Length(mm):16/18/22/25/30/35/40/45mmHead Diameter(mm):9.4Head Thickness(mm):2.5Color: BlackMaterial: Carbon SteelQUANTITY INCLUDED - 80Pcs x Machine Screws Phillips Combo Head (Ten pieces per size) - 10Pcs x WashersADVANTAGE - The surface treatment sleek, aesthetic to your projects but also provides an additional layer of protection against wear, corrosion, and scratches.Perfect for Furniture & Wood Crafting - Specifically engineered for assembling cabinets, tables, shelves, and various DIY woodworking projects, these screws feature sharp UNC threading that ensures a firm grip in wood, plastic, and soft metals.Phillips Driving System - Phillips drive, these screws allow for quick and easy installation using standard screwdrivers or power tools. This design ensures secure fastening without the risk of stripping the screw head, making them for a variety of applications.