S-91239A158 M4 x 35 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 with Class 10.9 strength rating and 140,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance thanks to black-oxide coating on alloy steel, extending service life in harsh industrial environments
- Optimized torque transmission through hex drive design with 2.5mm drive size, ensuring secure installation and removal
- Enhanced material integrity with Rockwell C32 hardness, maintaining structural stability under heavy loads
- Precision thread engagement with Class 6g fit and coarse M4 x 0.7mm threading for faster assembly and reduced cross-threading risk
- Versatile rounded button head profile providing a low-profile finish while distributing clamping force effectively
- Full regulatory compliance meeting international ISO 7380 standards and environmental RoHS 3/REACH requirements
Professional Applications & Engineering Value
These M4 metric hex screws deliver critical engineering solutions where high tensile strength and corrosion resistance are paramount. The black-oxide alloy steel construction combined with Class 10.9 strength rating ensures reliable performance in heavy machinery, automotive assemblies, and industrial equipment subjected to vibration and dynamic loads. The fully threaded coarse pitch design enables rapid installation while maintaining secure fastening across the entire 35mm length. The rounded button head with hex drive provides both aesthetic appeal and practical torque application, making these ISO 7380 compliant screws ideal for applications requiring both structural integrity and streamlined assembly processes in manufacturing and maintenance operations.
Specification Summary & Compliance
Manufactured to precise metric dimensions with Class 6g thread tolerance ensuring consistent fit and performance. These fully threaded right-hand coarse thread screws comply with ISO 7380 manufacturing specifications and meet stringent environmental standards including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. The Class 10.9 strength classification guarantees mechanical properties suitable for high-stress applications, backed by verified 140,000 psi tensile strength and Rockwell C32 hardness testing.
