S-91310A536 M8 x 30 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress industrial applications, minimizing the risk of fastener failure.
• Class 10.9 steel construction with Rockwell C32 hardness provides superior durability and resistance to wear, extending service life in demanding environments.
• Fully threaded M8 coarse pitch (1.25mm) design offers quick assembly and strong holding power, reducing installation time and improving efficiency.
• Class 6g thread fit guarantees precise compatibility with standard metric nuts and tapped holes, ensuring secure connections and reducing loosening risks.
• External hex drive and hex head allow for easy installation with common tools, facilitating maintenance and reducing labor costs.
• Compliance with ISO 4017 DIN 933 standards ensures consistent quality and interchangeability, supporting global engineering and procurement requirements.
• RoHS 3 and REACH compliant materials meet environmental regulations, making them suitable for eco-conscious industries and international markets.

Professional Applications & Engineering Value

This M8 hex head screw is engineered from Class 10.9 steel to address common industrial challenges such as vibration-induced loosening and mechanical stress. The fully threaded design with a coarse 1.25mm pitch and right-hand thread ensures rapid, secure fastening in heavy machinery, automotive assemblies, and structural frameworks, where high tensile strength and durability are critical. By adhering to ISO 4017 DIN 933 specifications, it provides reliable performance in applications requiring precise metric thread fits, reducing downtime and maintenance costs. The external hex drive simplifies tool access in confined spaces, enhancing installation efficiency for B2B users in manufacturing and construction sectors.

Specification Summary & Compliance

This fastener features an M8 x 1.25 mm metric coarse thread with a Class 6g thread fit for precise dimensional accuracy, a length of 30 mm, and a hex head width of 13 mm. It complies with ISO 4017 DIN 933 manufacturing standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.