S-91306A721 M3 x 4 mm ISO 7380 Steel Button Head Hex-Drive Screws
Steel Button Head Hex-Drive Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional strength for demanding applications with Class 10.9 rating and 140,000 psi tensile strength, ensuring reliable performance under high stress.
- Superior corrosion resistance provided by the zinc-plated alloy steel, extending service life in harsh industrial environments.
- Easy and secure installation with a 2 mm hex drive and button head design, allowing for efficient assembly with standard tools.
- Precise thread engagement due to Class 6g fit and coarse M3 x 0.5 mm thread, reducing cross-threading risks and ensuring stable connections.
- Full threading for maximum grip along the entire 4 mm length, offering uniform clamping force and vibration resistance.
- Compliance with international standards including ISO 7380, RoHS 3, and REACH, guaranteeing safety and regulatory adherence for global projects.
- Durable hardness of Rockwell C32 that maintains integrity under repeated use, minimizing wear and maintenance needs.
Professional Applications & Engineering Value
This M3 hex button head screw is engineered to address critical challenges in industrial settings, such as vibration loosening and corrosion in machinery. Made from zinc-plated alloy steel, it offers robust protection against environmental factors, while the Class 10.9 strength and fully threaded coarse pitch design ensure secure fastening in high-load assemblies like automotive components, electronic enclosures, and precision equipment. The rounded head profile and hex drive facilitate quick installation in tight spaces, reducing assembly time and enhancing productivity. By meeting ISO 7380 standards, it provides reliable performance for engineers seeking durable, compliant metric screws that withstand rigorous operational demands.
Specification Summary & Compliance
This screw features precise Class 6g thread fit and metric coarse threading (M3 x 0.5 mm) with a length of 4 mm, adhering to ISO 7380 manufacturing specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.
