S-90128A257 M5 x 40 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws
Alloy Steel Socket Head Screws
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 tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc-plated alloy steel construction extends service life in harsh industrial environments.
- High hardness rating (Rockwell C37) provides excellent wear resistance and maintains thread integrity under repeated use.
- Precision hex drive design with 4 mm drive size allows for secure tool engagement and easy installation in confined spaces.
- Optimized thread configuration with coarse M5 x 0.8 mm threads ensures quick assembly and strong holding power.
- Partially threaded shank design provides enhanced clamping force control for precise joint applications.
- Full compliance with international standards including DIN 912/ISO 4762 guarantees dimensional accuracy and interchangeability.
Professional Applications & Engineering Value
These Class 12.9 socket head cap screws deliver critical performance advantages in demanding industrial applications where failure is not an option. The zinc-plated alloy steel construction provides essential corrosion protection for machinery operating in challenging environments, while the high tensile strength and Rockwell C37 hardness ensure dimensional stability under extreme loads. The M5 coarse thread configuration with 0.8 mm pitch offers superior resistance to vibration loosening in automotive assemblies, industrial equipment, and heavy machinery. The hex socket drive design enables high torque application in space-constrained applications, making these metric screws ideal for precision engineering applications requiring reliable fastening solutions.
Specification Summary & Compliance
This socket head cap screw features precise Class 5g6g thread fit tolerance according to ISO metric standards, ensuring consistent performance and interchangeability. The fastener complies with DIN 912 and ISO 4762 dimensional specifications for socket head cap screws. Environmental and safety compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the product meets current environmental protection standards for industrial use.
