S-91263A542 10-32 x 3/8" ASTM F835 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive 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 alloy steel construction for extended service life in demanding environments
- Exceptional mechanical strength with 130,000 psi tensile strength and Rockwell C39 hardness for reliable performance under high stress
- Precise Class 3A thread fit ensuring secure fastening with minimal backlash in critical assemblies
- Optimized flush mounting with standard 82° countersink angle for seamless surface integration
- Efficient hex drive installation using standard 1/8" tools for reduced assembly time and torque control
- Full threading coverage along the 3/8" length for maximum grip and load distribution
- Regulatory compliance assurance meeting ASTM F835, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical performance advantages in precision engineering applications where high tensile strength and corrosion resistance are paramount. The zinc-plated alloy steel construction provides durable protection against environmental degradation, while the Class 3A thread fit ensures vibration-resistant fastening in machinery, electronic enclosures, and automotive components. The 82° countersink angle enables flush mounting in tapered recesses, eliminating protrusions in space-constrained assemblies. With fine thread spacing and right-hand threading, these screws maintain clamping force integrity in high-vibration industrial environments where loosening prevention is critical for operational safety and maintenance reduction.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerance for superior engagement. Complies with ASTM F835 specifications for mechanical properties and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features UNF fine thread profile with 10-32 thread size, 0.19" thread diameter, and fully threaded 3/8" length configuration.
