S-90273A147 6-32 x 7/16" 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
- High tensile strength of 60,000 psi ensures reliable fastening under substantial mechanical stress
- Class 2A coarse UNC threads provide quick installation and vibration resistance in industrial assemblies
- 82° countersink angle flat head delivers flush surface finishing for streamlined applications
- Phillips No. 2 drive design enables efficient torque transfer while reducing cam-out risks
- Full threading along 7/16" length maximizes grip range and load distribution capabilities
- Rockwell B70 hardness rating maintains structural integrity through repeated installation cycles
Professional Applications & Engineering Value
These zinc-plated steel flat head screws with 6-32 UNC coarse threading solve critical fastening challenges in industrial equipment, electronics enclosures, and machinery assemblies. The combination of 60,000 psi tensile strength and Class 2A thread fit ensures consistent clamping force while accommodating manufacturing tolerances. The 82° countersink angle seamlessly integrates with standard chamfered holes, eliminating protrusions in precision applications. Phillips drive compatibility with standard tooling reduces assembly time, while the zinc plating provides essential corrosion protection for operations in humid or chemically exposed environments. These fully threaded fasteners deliver optimal performance in right-hand thread applications where vibration resistance and repeated disassembly are common requirements.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerances and UNC coarse thread spacing. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features standard flat head profile with 0.262" head diameter and 0.083" head height, maintaining dimensional consistency across production batches.
