S-91263A707 12-24 x 1" ASTM F835 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive 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
- Exceptional load-bearing capacity with 130,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance provided by zinc plating, extending service life in harsh industrial environments
- Precise thread engagement with Class 3A fit ensuring secure fastening and vibration resistance
- Easy installation and removal through hex drive design requiring minimal clearance space
- Full threading along the entire 1" length for maximum grip strength and uniform stress distribution
- Optimized for countersunk applications with standard 82° flat head profile creating flush surface finishes
- Compliance with international standards including ASTM F835 for consistent quality and performance
Professional Applications & Engineering Value
These 12-24 UNC flat head screws deliver critical engineering advantages for industrial assembly operations. The zinc-plated alloy steel construction provides essential corrosion protection while maintaining Rockwell C39 hardness for wear resistance in repetitive disassembly scenarios. The coarse UNC threading enables rapid installation in various materials while the Class 3A thread fit ensures precise tolerances for vibration-prone equipment. The hex drive system allows high-torque application without cam-out issues, making these fully threaded screws ideal for machinery, automotive components, and structural frameworks where reliability under dynamic loads is paramount. The combination of 130,000 psi tensile strength and standardized flat head profile addresses both mechanical performance and aesthetic requirements in professional applications.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerances and UNC coarse threading specifications. These flat head screws comply with ASTM F835 manufacturing standards and demonstrate full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 82° countersink angle conforms to industry standards for flush mounting applications.
