S-90275A712 1/2"-13 x 1" ASME B18.6.3 Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Exceptional holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening in heavy-duty applications
• Precise thread engagement with Class 2A fit and UNC coarse threads ensuring consistent performance and easy installation
• Optimal flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Industry-standard compliance meeting ASME B18.6.3 specifications for guaranteed dimensional accuracy and performance
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices
• Versatile installation with slotted drive style and fully threaded design accommodating various assembly requirements

Professional Applications & Engineering Value

These zinc-plated steel flat head screws with 1/2"-13 UNC coarse threading provide engineering solutions for industrial assembly challenges where surface flushness and high tensile strength are critical. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in structural applications, machinery assembly, and heavy equipment manufacturing. The standard 82° countersink angle allows for perfect flush mounting in predrilled holes, eliminating protrusions that could interfere with moving components. The zinc plating offers essential corrosion protection for environments exposed to moisture or chemicals, while the Class 2A thread fit guarantees consistent engagement without binding, reducing installation time and improving production efficiency in high-volume manufacturing settings.

Specification Summary & Compliance

This 1/2"-13 UNC flat head screw features Class 2A thread fit with coarse spacing and full threading along the 1" length. Manufactured to ASME B18.6.3 dimensional standards with precise 82° countersink angle and standard flat head profile. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications while maintaining consistent quality and performance specifications.