S-90275A714 1/2"-13 x 1 1/4" 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 for extended service life in demanding environments
- Exceptional load-bearing capacity with 60,000 psi tensile strength to withstand high-stress applications
- Precision thread engagement with Class 2A fit and UNC coarse threads for reliable, vibration-resistant fastening
- Optimal flush mounting with standard 82° countersink angle for seamless surface integration
- Enhanced durability with Rockwell B70 hardness rating to maintain structural integrity under repeated use
- Full-threaded design providing maximum grip length and uniform stress distribution
- Industry-standard compliance meeting ASME B18.6.3 specifications for guaranteed interoperability
Professional Applications & Engineering Value
This 1/2"-13 UNC flat head slotted screw delivers critical engineering solutions for industrial assembly challenges. The zinc-plated steel construction provides essential corrosion protection in manufacturing environments, while the coarse thread design ensures rapid installation and superior resistance to vibrational loosening in machinery and equipment. The standard 82° countersink angle enables flush mounting in predrilled surfaces, eliminating protrusions that could interfere with moving components. With full threading along the entire 1-1/4" length, this fastener distributes clamping forces evenly across the joint, making it ideal for heavy-duty applications where structural integrity is paramount. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in high-stress mechanical systems.
Specification Summary & Compliance
This flat head screw features precision Class 2A thread fit with 1/2"-13 UNC coarse threads and right-hand thread direction. Manufacturing complies with ASME B18.6.3 standards for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety and restricted substance control.
