S-91801A640 M3 x 40 mm DIN 965 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments thanks to 316 stainless steel construction and passivated finish, reducing maintenance and replacement costs.
• High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding industrial loads, minimizing failure risks.
• Coarse 0.5mm pitch threading provides quick and secure installation, reducing assembly time and improving efficiency in high-volume applications.
• Precision Class 6g thread fit guarantees consistent engagement and vibration resistance, maintaining joint integrity in dynamic conditions.
• 90° countersink flat head design allows for a flush surface finish, preventing snagging and enhancing safety in machinery and equipment.
• Full threading along the 40mm length offers versatile grip depth and adjustment flexibility, accommodating various material thicknesses.
• Compliance with DIN 965, RoHS 3, and REACH ensures adherence to international quality and environmental standards, supporting global supply chain requirements.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these M3 flat head screws in 316 stainless steel address critical challenges like corrosion and mechanical stress. The passivated finish enhances durability against chemicals and moisture, ideal for marine, chemical processing, and outdoor equipment. With a coarse thread pitch and Phillips drive, installation is swift and secure, reducing labor in assembly lines. The fully threaded design and 90° countersink ensure a tight, flush fit in panels and frames, preventing loosening from vibrations. Commonly used in machinery, electronics, and structural applications, these screws provide reliable metric fastening that meets DIN 965 standards for precision and performance.

Specification Summary & Compliance

This screw features a metric M3 x 0.5mm thread with Class 6g tolerance for precise fit, and is fully threaded to a length of 40mm. It conforms to DIN 965 specifications for flat head dimensions and drive style. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for environmentally conscious industries.