S-90275A722 1/2"-13 x 2 1/2" ASME B18.6.3 Steel Slotted Flat Head Screws
Steel Slotted 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, ensuring long-term reliability in harsh industrial environments
- Exceptional load-bearing capacity with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
- Reliable coarse threading using UNC 1/2"-13 threads with Class 2A fit for secure fastening in various materials
- Full-thread engagement along the 2-1/2" length provides maximum grip strength and vibration resistance
- Industry-standard compliance with ASME B18.6.3 specifications ensures consistent quality and interchangeability
- Easy installation and removal with slotted drive design for straightforward manual or tool-assisted operation
Professional Applications & Engineering Value
This zinc-plated steel flat head screw delivers exceptional engineering value across industrial applications where flush surface mounting and high tensile strength are critical. The combination of UNC coarse threading and Class 2A thread fit ensures reliable performance in wood, metal, and composite materials, preventing stripping and maintaining secure connections under vibration. The 82° countersink angle provides optimal seating in prepared holes, creating smooth finished surfaces ideal for machinery, structural assemblies, and equipment where protrusions are unacceptable. The zinc plating offers essential corrosion protection for outdoor equipment, manufacturing facilities, and marine applications, while the slotted drive accommodates both manual and automated installation processes.
Specification Summary & Compliance
This 1/2"-13 UNC flat head screw features precise Class 2A thread fit tolerances and fully threaded design with standardized 82° countersink angle. Manufactured in compliance with ASME B18.6.3 specifications for dimensional accuracy and performance. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements, ensuring safe use across various industries and applications.
