S-91239A144 M4 x 10 mm ISO 7380 Steel Button Head Hex-Drive Screws
Steel Button Head Hex-Drive 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
- Exceptional durability and strength with Class 10.9 rating and 140,000 PSI tensile strength, ideal for high-stress industrial applications.
- Superior corrosion resistance due to the black-oxide coating on alloy steel, extending service life in harsh environments.
- Reliable and secure fastening with a 2.5mm hex drive and button head design, providing a flush finish and easy installation with standard tools.
- Precise thread engagement featuring a coarse 0.7mm pitch and Class 6g thread fit, ensuring quick assembly and reduced cross-threading risks.
- Full threading for maximum grip along the entire 10mm length, offering consistent holding power across the fastened materials.
- Compliance with international standards including ISO 7380, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.
- High hardness (Rockwell C32) for wear resistance, maintaining integrity under repeated use and vibration.
Professional Applications & Engineering Value
This M4 button head screw is engineered to address common industrial challenges such as component loosening and corrosion-induced failure. Made from black-oxide alloy steel, it provides a robust barrier against moisture and chemicals, making it suitable for machinery, automotive assemblies, and outdoor equipment. The fully threaded design with a coarse metric thread ensures rapid installation and strong retention in materials like metal and hardened plastics, while the hex drive allows for high torque application without slippage. By meeting ISO 7380 specifications, it delivers consistent performance in precision-driven sectors, reducing downtime and maintenance costs.
Specification Summary & Compliance
This fastener adheres to precise dimensional tolerances, including a Class 6g thread fit and metric coarse threading (0.7mm pitch) for reliable compatibility. It conforms to ISO 7380 manufacturing standards and is verified as compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial applications.
