About this item [Specification] : ) Model: M4x10mm; Material: 304 Stainless steel; Screw Length: 10mm/0.39"; Pitch: 0.7mm / 0.028"; Screw Head Dia: 9mm / 0.35"; Screw Groove Type: Phillips. [100% SOLID STAINLESS STEEL] : ) These Screws are made of 304 Stainless Steel which is one of the highest forms of corrosion resistant metals, making it last longer than other hardware on the market today. [SCREWS THAT YOU CAN DEPEND ON] : ) Our Machine Screws are very strong and are great for both indoor and outdoor use. This stainless is superior to regular steel and provides excellent rust resistance. [GREAT TO KEEP AROUND] : ) Bolt stainless hardware is great to have around for use in wet environments. They are strong, corrosion resistant and will support all of your projects. [WIDELY USED IN] : ) wind power industry, the aerospace industry, office equipment industry, petrochemical industry, the electronics industry, the communications industry, shipbuilding industry, environmental protection machinery, etc. ›See more product details