S-97050A343 M20 x 70 mm DIN 6912 Alloy Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Class 10.9 strength rating provides superior load-bearing capacity, ideal for demanding industrial machinery and equipment assembly.
• Black-oxide coating on alloy steel offers enhanced corrosion resistance, extending service life in harsh environments without compromising structural integrity.
• Low-profile socket head with hex drive and pilot recess allows for secure tool engagement and flush installation, minimizing protrusion in space-constrained designs.
• Partially threaded M20 coarse thread design enables precise clamping force control and faster installation, improving assembly efficiency.
• DIN 6912 compliance and Class 6g thread fit guarantee dimensional accuracy and interchangeability, ensuring consistent performance in standardized applications.
• RoHS 3 compliance meets environmental regulations, making it suitable for global supply chains and eco-conscious industries.

Professional Applications & Engineering Value

This M20 socket head cap screw is engineered to address critical challenges in heavy-duty industrial settings, where vibration, high loads, and corrosion can compromise fastener reliability. The black-oxide alloy steel construction, combined with a Rockwell C32 hardness, provides durability against wear and environmental exposure, reducing maintenance needs. The low-profile head design and hex drive with pilot recess ensure stable torque transmission and prevent cam-out, enhancing safety in precision assemblies like machinery frames, automotive components, and construction equipment. With a coarse thread (M20x2.5) and partial threading, it offers optimal grip in materials prone to stripping, streamlining installation in time-sensitive operations while adhering to DIN 6912 standards for consistent quality.

Specification Summary & Compliance

This screw features a metric M20x2.5 coarse thread with Class 6g tolerance for precise fit, a length of 70 mm, and minimum thread length of 46 mm. It complies with DIN 6912 manufacturing specifications and is RoHS 3 (2015/863/EU) compliant, ensuring adherence to international safety and environmental regulations. The Class 10.9 strength classification and material properties confirm reliability for industrial use.