S-91239A428 M8 x 30 mm ISO 7380 Steel Button Head Hex-Drive Screws
Steel Button Head Hex-Drive Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional durability with Class 10.9 high-strength alloy steel, ensuring reliable performance under heavy loads and reducing fastener failure risks.
- Superior corrosion resistance from the black-oxide surface treatment, extending service life in harsh industrial environments.
- High tensile strength of 140,000 psi and Rockwell C32 hardness for secure, long-lasting fastening in demanding applications.
- Easy installation and removal with a 5 mm hex drive and fully threaded coarse 1.25 mm pitch, minimizing assembly time and effort.
- Precise fit and compatibility due to Class 6g thread fit and ISO 7380 compliance, ensuring consistent performance in metric assemblies.
- Versatile rounded button head design provides a low-profile, aesthetically pleasing finish while reducing snagging in tight spaces.
- Environmental and safety compliance with RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
This M8 x 1.25 x 30mm Class 10.9 black-oxide alloy steel screw is engineered to address critical industrial challenges, such as vibration loosening and corrosion in heavy machinery, automotive, and construction sectors. The fully threaded coarse pitch and Class 6g fit ensure rapid, secure fastening with high resistance to dynamic stresses, while the black-oxide coating enhances durability against moisture and chemicals. By meeting ISO 7380 standards, it guarantees dimensional accuracy and reliability, reducing maintenance downtime and improving assembly efficiency in high-tensile applications where precision and strength are paramount.
Specification Summary & Compliance
This screw features a Class 6g thread fit with coarse 1.25 mm pitch and full threading for consistent engagement. Manufactured to ISO 7380 specifications, it ensures precise dimensional tolerances and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it adheres to environmental and safety standards, making it suitable for global industrial use without hazardous substances.
