S-91280A291 M8 x 130 mm ISO 4014, DIN 931 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Hex Head 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
- High tensile strength of 110,000 psi ensures reliable performance in demanding industrial applications, reducing the risk of fastener failure.
- Class 8.8 strength grade with Rockwell C21 hardness provides excellent durability and resistance to wear, extending service life.
- Partially threaded design with M8 coarse 1.25mm pitch allows for secure fastening and easy installation in various materials.
- External hex drive and hex head style offer superior torque transmission and straightforward tool engagement for efficient assembly.
- Compliance with ISO 4014/DIN 931 standards guarantees dimensional accuracy and interchangeability, ensuring consistent quality.
- RoHS 3 and REACH compliant materials meet environmental regulations, making them safe for use in regulated industries.
- Steel construction with black finish enhances corrosion resistance and provides a professional appearance for long-term use.
Professional Applications & Engineering Value
This M8 hex head screw is engineered to address common industrial challenges, such as vibration loosening and material fatigue. Made from high-strength steel with a Class 8.8 rating and Rockwell C21 hardness, it withstands heavy loads and harsh environments, making it ideal for machinery, automotive, and construction applications. The partially threaded design with coarse 1.25mm pitch ensures quick assembly and strong grip in coarse-grained materials, while the external hex drive allows for easy installation with standard tools. By adhering to ISO 4014 and DIN 931 standards, it delivers precise metric dimensions and reliable performance, reducing downtime and maintenance costs in professional settings.
Specification Summary & Compliance
This product features precise Class 6g thread fit and M8 x 1.25 coarse thread with a minimum thread length of 28 mm, ensuring accurate engagement. It complies with ISO 4014 and DIN 931 manufacturing standards for dimensional consistency. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental safety and suitability for industrial use.
