S-90273A840 10-32 x 2 1/2" ASME B18.6.3 Steel Phillips Flat Head Screws
Steel Phillips Flat 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 zinc-plated steel construction for extended service life in demanding environments
- Precise flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
- Exceptional tensile strength rated at 60,000 psi ensures reliable performance under high-stress applications
- Optimized drive engagement with Phillips No. 2 drive style for secure installation and reduced cam-out risk
- Fine thread precision with 10-32 UNF threading and Class 2A fit provides vibration-resistant fastening
- Partial threading design allows for controlled clamping force and material compression management
- Industry compliance assurance meeting ASME B18.6.3 standards for consistent quality and dimensional accuracy
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical engineering solutions for industrial assembly challenges. The zinc-plated steel construction provides essential corrosion protection in manufacturing environments, while the Rockwell B70 hardness ensures durability against wear and deformation. The partially threaded configuration with fine UNF threading offers superior vibration resistance in machinery and equipment applications. The 82° countersink angle enables perfect flush mounting in metal fabrication, electronic enclosures, and precision instruments. These flat head Phillips screws are engineered to maintain clamping force integrity in high-vibration settings, making them ideal for automotive components, industrial controls, and assembly line equipment where reliability is paramount.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerances for consistent dimensional accuracy. The 10-32 UNF fine thread configuration ensures precise engagement, while the 2-1/2" length with 1-1/2" minimum thread length provides optimal fastening capability. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations guarantees safe use across various industrial sectors.
