S-97478A138 M20 x 75 mm DIN 6914, ISO 7412 Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications
Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional corrosion resistance due to the hot-dipped galvanized steel coating, ensuring long-term reliability in harsh environments.
- High tensile strength of 150,000 psi and Class 10.9 grade for reliable performance in heavy-duty and high-stress applications.
- Precise Class 6g thread fit and coarse 2.5 mm pitch for easy, secure installation and reduced risk of cross-threading.
- Partially threaded design with a 44 mm grip length provides optimal clamping force and vibration resistance in structural assemblies.
- External hex drive and hex head allow for high-torque application using standard tools, speeding up assembly and maintenance.
- Compliance with DIN 6914/ISO 7412 standards ensures dimensional accuracy and interchangeability in metric engineering projects.
- Rockwell C32 hardness offers excellent wear resistance, maintaining fastener integrity under repeated loads.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this M20 hex head screw combines hot-dipped galvanized steel with a Class 10.9 strength rating to address critical challenges like structural fatigue and environmental degradation. The metric coarse thread (M20x2.5) and partial threading enhance grip and distribute stress efficiently, making it ideal for heavy machinery, construction frameworks, and transportation equipment where vibration loosening is a concern. By meeting DIN 6914/ISO 7412 specifications, it guarantees precise fit and long-term durability, reducing maintenance costs and downtime in industrial fastening applications.
Specification Summary & Compliance
This fastener features a Class 6g thread fit per metric standards, with a thread size of M20, pitch of 2.5 mm, and overall length of 75 mm. It conforms to DIN 6914/ISO 7412 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.
