S-90275A293 12-24 x 5/8" 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 holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening performance
- Precision thread engagement with Class 2A fit and UNC coarse threads ensuring consistent installation and vibration resistance
- Flush mounting capability with standard 82° countersink angle and flat head design for seamless surface integration
- Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and performance reliability
- Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices
- Full-threaded design providing maximum grip length and load distribution across the entire fastener
Professional Applications & Engineering Value
These 12-24 UNC flat head slotted 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 coarse UNC threading and Class 2A thread fit ensure rapid installation with reduced cross-threading risks, while the 82° countersink angle creates secure, vibration-resistant joints in metal fabrication and woodworking applications. The fully threaded design maximizes pull-out resistance, making these slotted flat head screws ideal for applications requiring consistent clamping force across the entire fastener length.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit for precision dimensional control. Features UNC coarse threads (12-24) with right-hand threading and standard 82° countersink angle. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include 60,000 psi tensile strength and Rockwell B70 hardness for consistent performance in industrial fastening applications.
