S-90273A825 10-32 x 1/4" 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
- Exceptional 60,000 psi tensile strength provides reliable fastening performance under high-stress conditions
- Precision Class 2A thread fit ensures smooth installation and secure connections in fine-thread applications
- Undercut flat head design allows for flush mounting and improved seating in countersunk holes
- Standardized 82° countersink angle ensures compatibility with common industrial components and fixtures
- Full threading along the entire 1/4" length maximizes grip strength and load distribution
- Rockwell B70 hardness rating maintains thread integrity and prevents stripping during repeated use
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical engineering solutions where flush surface mounting and high tensile strength are paramount. The zinc-plated steel construction provides essential corrosion protection for industrial equipment, machinery assemblies, and electronic enclosures exposed to harsh conditions. The undercut flat head profile and 82° countersink angle ensure precise, flush installation that eliminates protrusion issues in precision applications. With fine UNF threading and Class 2A fit, these Phillips drive screws maintain vibration resistance while facilitating easy installation in tight-clearance scenarios common in manufacturing, automotive, and electrical panel applications where reliable, long-term fastening is non-negotiable.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision assembly. These 1/4" length flat head screws feature 10-32 UNF fine threading with right-hand orientation and complete compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The Rockwell B70 hardness and 60,000 psi tensile strength meet industrial requirements for durable, high-performance fastening solutions.
