S-94500A283 M4 x 20 mm ISO 7380 Stainless Steel Button Head Hex-Drive Screws
Stainless 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
- Superior corrosion resistance in harsh environments due to 316 stainless steel construction with passivated surface treatment
- Reliable mechanical performance with 70,000 psi tensile strength for demanding industrial applications
- Precise thread engagement ensured by Class 6g thread fit and coarse 0.7mm pitch for secure fastening
- Efficient installation and removal with 2.5mm hex socket drive and rounded button head design
- Full thread coverage along the 20mm length provides maximum grip and load distribution
- International compliance with ISO 7380 standards and environmental regulations including RoHS 3 and REACH
- Versatile metric sizing (M4 x 20mm) compatible with global engineering specifications and equipment
Professional Applications & Engineering Value
These 316 stainless steel metric screws with passivated finish deliver exceptional performance in corrosive environments where standard fasteners fail. The fully threaded M4 design with Class 6g precision ensures consistent clamping force across the entire 20mm length, preventing loosening under vibration. The rounded button head with 2.5mm hex drive provides clean aesthetics while allowing high torque application in confined spaces. Ideal for marine equipment, chemical processing, food machinery, and outdoor applications requiring ISO 7380 certification and environmental compliance. The coarse 0.7mm pitch enables quick assembly while maintaining structural integrity under dynamic loads.
Specification Summary & Compliance
Manufactured to ISO 7380 standards with Class 6g thread tolerance and metric coarse threading (M4 x 0.7mm). Features include 20mm length, 7.6mm head diameter, 2.2mm head height, and fully threaded construction. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Material certification confirms 316 stainless steel composition with passivated surface treatment for enhanced corrosion protection.
