S-97503A147 Length 45 mm DIN 7983, ISO 7051 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• Efficient thread cutting design creates precise mating threads in metal and sheet metal, reducing installation time and effort.
• Secure and flush finish provided by the oval head with standard profile, offering a neat appearance and preventing snagging.
• Reliable Phillips No. 2 drive ensures common tool compatibility and effective torque transfer during installation.
• Full 45mm threading delivers maximum grip and holding power across the entire fastener length in various material thicknesses.
• Precision manufacturing to DIN 7983 (ISO 7051) standards guarantees consistent dimensions and reliable performance.
• Environmental compliance with RoHS 3 and REACH regulations, making them suitable for global supply chains and sensitive applications.

Professional Applications & Engineering Value

These M4.2 tapping screws are engineered to solve common fastening challenges in metal and sheet metal assemblies. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, crucial for outdoor equipment, automotive components, and electrical enclosures. The thread cutting feature eliminates the need for pre-tapped holes, reducing labor costs and speeding up production lines. With a fully threaded design and pointed tip, they ensure quick starts and secure fastening in thin materials where pull-out strength is critical. The oval head offers a countersunk finish that sits flush with surfaces, preventing interference in moving parts and improving overall assembly aesthetics. These precision screws are ideal for manufacturers requiring durable, compliant fasteners that maintain integrity under vibration and load.

Specification Summary & Compliance

This M4.2 x 45mm screw features a right-hand thread with fully threaded shank and 8.1mm head diameter. It is manufactured to DIN 7983 specifications, which aligns with ISO 7051 standards for dimensional accuracy and performance. The screw complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for industrial and consumer products across regulated markets.