100 Pcs M4 x 16mm Socket Head Cap Screws, A2 Stainless Steel Fully Threaded Hex Socket Bolts, Black Oxide Finish Coarse Thread Allen Bolts with Allen Key

• Premium A2 Stainless Steel Materia:lOur socket head cap screws are made of high-quality A2 stainless steel, offering excellent corrosion resistance, rustproof performance, and high strength for long-lasting use in indoor and outdoor applications.
• M x 16mm Standard Size & Fully Threaded:These M4x16mm hex socket bolts feature fully threaded design for secure and stable installation. Coarse thread provides strong fastening force and easy insertion into various materials.
• Black Oxide Coating for Durability：Surface treated with black oxide finish to enhance wear resistance, prevent scratches, and improve appearance. Ideal for machinery, furniture, automotive, construction, and DIY projects.
• Includes Allen Key for Easy Installation：Each set comes with a matching Allen key, allowing you to install and remove the screws quickly without extra tools. Convenient for both professional and household use.
• Wide Application Versatility：Suitable for industrial machinery, furniture assembly, automotive repair, construction projects, electrical equipment, and various DIY fastening jobs.

Socket Head Cap Screws are threaded fasteners with a cylindrical head featuring an inset hexagon drive for tightening with a key. These screws offer superior tensile and yield strength compared to other screw types.