M4 Flat Head Phillips SelfTapping Wood Screw M4x40mm

standard cross head ,not easy to slip ,even force and easier to use., The thread has a fastening function and uses high quality steel. Strictly check the raw materials, and the spiral is neat and clear after improvement., This hardware is suitable for wood, composites and even wet environments!, Stainless steel screws work in extreme temperatures and work best. Resistant to air and water corrosion., We offer different sizes for you to choose from!