S-91352A115 M3 x 20 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 in high-stress applications, reducing the risk of fastener failure.
• Enhanced corrosion resistance from the blue zinc-plated alloy steel construction prolongs service life in demanding industrial environments.
• Precise hex drive compatibility with a 2 mm drive size allows for secure, slip-free installation using standard tools.
• Fully threaded M3 coarse pitch design provides superior holding power and faster assembly in various materials.
• High hardness rating of Rockwell C32 offers excellent wear resistance and durability under repeated use.
• Compliance with ISO 7380 standards guarantees consistent quality, dimensional accuracy, and interchangeability.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

These M3 button head screws are engineered to address common industrial challenges such as vibration loosening and corrosion in machinery assembly. The blue zinc-plated alloy steel provides a protective barrier against moisture and chemicals, ideal for automotive, electronics, and heavy equipment applications. With a Class 10.9 strength grade and fully threaded coarse pitch, they deliver robust clamping force and ease of installation in tight spaces. The rounded head profile and hex drive design minimize protrusion and enable efficient torque application, reducing assembly time and maintenance needs in precision engineering projects.

Specification Summary & Compliance

This fastener adheres to ISO 7380 specifications, featuring a Class 6g thread fit for precise dimensional tolerance. It is manufactured from alloy steel with a Rockwell C32 hardness and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental and safety regulations are fully satisfied.