The RH MACH SCREW 5X40 with washer, model 6990/91, is a reliable fastening solution for various applications. Manufactured by REX INTERNATIONAL USA INC, this screw features a robust design with a 5mm diameter and 40mm length, ensuring a secure fit in a variety of materials. The included washer enhances load distribution and prevents loosening over time. Made from high-strength materials, this screw is resistant to corrosion and wear, making it ideal for both indoor and outdoor use. Perfect for machinery assembly and maintenance tasks.