S-90273A161 6-32 x 2 1/2" ASME B18.6.3 Steel Phillips Flat Head Screws
Steel Phillips Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc plating for extended service life in demanding industrial environments
- High-torque installation capability through Phillips No. 2 drive design that prevents cam-out during assembly
- Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
- Optimized flush mounting with standard 82° countersink angle that ensures smooth surface finishing
- Enhanced thread engagement through UNC coarse threading that resists vibration loosening in dynamic applications
- Precision manufacturing with Class 2A thread fit ensuring consistent installation and replacement compatibility
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
These zinc-plated steel flat head screws deliver critical engineering solutions where flush surface mounting and corrosion resistance are paramount. The partially threaded design provides optimal clamping force distribution, making them ideal for sheet metal assemblies, electrical enclosures, and machinery panels where vibration resistance is essential. The UNC coarse threading ensures rapid installation while maintaining secure fastening in various materials. With 60,000 psi tensile strength and Rockwell B70 hardness, these Phillips drive screws withstand substantial mechanical stress while the zinc plating protects against environmental degradation in industrial settings.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance and UNC coarse threading (6-32 size). Complies with ASME B18.6.3 manufacturing specifications, ensuring dimensional accuracy and performance reliability. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety and regulatory acceptance in global markets. Features standard 82° countersink angle and right-hand thread direction for universal compatibility with industrial applications.
