S-91239A630 M16 x 30 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance from the black-oxide coating extends service life and maintains integrity in harsh industrial environments.
• High hardness rating (Rockwell C32) provides excellent wear resistance, minimizing damage during installation and prolonged use.
• Full threading with coarse pitch allows for faster installation and secure gripping in a variety of materials, enhancing assembly efficiency.
• Precision hex drive design offers easy tool engagement and high torque transmission, reducing slippage and installation time.
• Compliance with ISO 7380 and environmental standards ensures consistent quality and safe use in regulated industries, supporting global supply chain requirements.
• Rounded button head profile delivers a low-profile, aesthetically pleasing finish while minimizing snagging risks in assembled products.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M16 hex screw addresses critical challenges in machinery, automotive, and construction sectors where vibration, high loads, and environmental exposure are common. The black-oxide alloy steel construction combats rust and oxidation, prolonging fastener life in humid or corrosive settings. With a coarse thread pitch and fully threaded design, it ensures rapid, secure fastening in thick materials or soft substrates, reducing assembly time and improving joint integrity. The Class 10.9 strength grade and precise metric thread fit provide reliable clamping force, preventing loosening under dynamic stresses and minimizing maintenance needs in precision fastening solutions.

Specification Summary & Compliance

This screw adheres to ISO 7380 standards for dimensional accuracy, featuring M16x2mm coarse threads with a Class 6g thread fit for consistent engagement. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for environmentally conscious industries. Manufactured to Class 10.9 specifications, it guarantees high tensile strength and durability for professional use.