The washer for M4 screws is made of galvanized material, offering corrosion resistance and increased lifespan. It is ideal for use in various applications, providing stability and safety in joints. With an inner diameter of 4mm, this washer fits perfectly on M4 screws.

• Made from galvanized material for greater durability.
• Inner diameter of 4mm, suitable for M4 screws.
• Unique piece, ideal for specific applications.