S-93270A755 M12 x 40 mm ISO 4017, DIN 933 Brass Hex Head Screws
Brass Hex 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
- Superior corrosion resistance with CU2/CU3 brass construction, ideal for harsh environments and moisture-prone applications
- Excellent mechanical strength with 50,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting fastening performance
- Precise Class 6g thread fit ensures smooth installation and secure connections in metric assembly applications
- Full threading design provides maximum grip length and uniform load distribution across the entire fastener
- External hex drive compatibility allows for standard tooling and efficient installation in confined spaces
- Compliance with international standards including DIN 933 and ISO 4017 guarantees dimensional accuracy and interchangeability
- RoHS 3 environmental compliance meets regulatory requirements while maintaining copper alloy performance characteristics
Professional Applications & Engineering Value
These M12 brass hex head screws deliver exceptional engineering value in applications where corrosion resistance and reliable fastening are critical. The CU2/CU3 brass material provides natural resistance to galvanic corrosion and weathering, making these metric coarse thread fasteners ideal for marine equipment, plumbing systems, electrical enclosures, and chemical processing installations. The fully threaded design with 1.75mm pitch ensures maximum engagement in both soft and hard materials, while the external hex drive facilitates quick installation with standard tools. The combination of Rockwell B55 hardness and 50,000 psi tensile strength provides durability against vibration loosening and mechanical stress in industrial environments.
Specification Summary & Compliance
This M12 x 1.75mm x 40mm hex head screw features Class 6g thread tolerance per metric standards with coarse thread spacing for optimal performance. Manufactured to DIN 933 and ISO 4017 specifications, ensuring dimensional precision and interchangeability. The fastener is RoHS 3 (2015/863/EU) compliant with exemption 6(c) for lead in copper alloy, meeting environmental regulations while maintaining the mechanical properties required for industrial applications.
