S-91253A265 10-32 x 3/16" 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 black-oxide coating for extended service life in demanding industrial environments
- Precise installation control through 1/8" hex drive design that prevents cam-out and ensures secure fastening
- Maximum thread engagement with fully threaded construction for enhanced load distribution and joint integrity
- Exceptional mechanical strength delivering 130,000 psi tensile strength and Rockwell C39 hardness for high-stress applications
- Premium thread precision with Class 3A fit ensuring consistent performance and reliable assembly in precision equipment
- Optimized flush mounting featuring undercut flat head design that sits perfectly countersunk without protrusion
- Industry-standard compliance meeting ASTM F835 specifications for guaranteed quality and performance
Professional Applications & Engineering Value
These 10-32 UNF flat head screws with black-oxide alloy steel construction address critical engineering challenges in industrial assembly. The fine thread spacing and Class 3A thread fit provide superior vibration resistance and precise alignment in machinery, electronic enclosures, and precision instruments. The undercut flat head profile ensures flush mounting without surface protrusion, while the hex drive style delivers maximum torque transmission without stripping. With fully threaded design and high tensile strength, these screws maintain joint integrity under dynamic loads, making them ideal for automotive, aerospace, and heavy equipment applications where reliability is paramount.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread fit standards with UNF fine threading and 82° countersink angle. Complies with ASTM F835 specifications for mechanical properties and dimensional accuracy. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets. Thread size: 10-32 UNF, length: 3/16", with right-hand thread direction and fine thread spacing for precision applications.
