S-90358A130 M4 x 25 mm Alloy Steel Ultra-Low-Profile Socket Head Screws
Alloy Steel Ultra-Low-Profile Socket Head 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 strength and durability with alloy steel construction and Rockwell C32 hardness for reliable performance in demanding applications
- Precise thread engagement with Class 5g6g thread fit ensuring consistent fastening and vibration resistance
- Space-saving ultra-low profile design allowing installation in tight clearance areas without compromising strength
- Enhanced corrosion resistance through black-oxide surface treatment for extended service life in industrial environments
- High tensile strength rating of 140,000 psi providing secure fastening under significant mechanical stress
- Easy installation and removal with standardized 2.5mm hex drive for efficient maintenance operations
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use across various industries
Professional Applications & Engineering Value
These M4 socket head cap screws deliver critical engineering solutions where space constraints and mechanical reliability are paramount. The black-oxide alloy steel construction combined with Rockwell C32 hardness provides exceptional resistance to wear and deformation, making them ideal for precision machinery, automation equipment, and structural assemblies. The ultra-low profile socket head design enables flush mounting in compact spaces while maintaining full metric coarse thread engagement. With 140,000 psi tensile strength and precise Class 5g6g thread fit, these fasteners prevent loosening under vibration and maintain clamping force in high-stress applications across manufacturing, automotive, and industrial equipment sectors.
Specification Summary & Compliance
This socket head cap screw features M4 x 0.7mm metric coarse threads with Class 5g6g thread fit tolerance and length tolerance of -0.127mm to 0.127mm. Manufactured from black-oxide alloy steel with full threading and 2.5mm hex drive. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.
