S-91355A120 10-24 x 5/8" ASME B18.3, ASTM F835 Steel Flanged Button Head Hex-Drive Screws
Steel Flanged Button Head Hex-Drive 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 corrosion resistance with black-oxide coating that protects against rust in demanding industrial environments
- Superior holding power achieved through 120,000 psi tensile strength and Rockwell C39 hardness for reliable performance under heavy loads
- Precise thread engagement with Class 3A fit ensuring consistent, vibration-resistant connections in critical applications
- Quick installation and removal facilitated by hex drive design and UNC coarse threading for efficient assembly operations
- Enhanced stability and distribution provided by the integrated flange design, reducing the risk of surface damage
- Full-thread coverage along the 5/8" length maximizes grip strength and load distribution across the entire fastener
- Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial applications
Professional Applications & Engineering Value
These black-oxide alloy steel rounded head screws deliver critical performance advantages in demanding industrial settings where vibration resistance and corrosion protection are paramount. The combination of UNC coarse threading and Class 3A fit ensures rapid installation while maintaining precise tolerance control, significantly reducing assembly time in high-volume manufacturing. The flanged design provides superior load distribution, preventing surface damage in softer materials while the fully threaded construction maximizes engagement strength across the entire 5/8" length. Engineered for heavy machinery, automotive assemblies, and industrial equipment, these screws maintain integrity under extreme stress conditions thanks to their 120,000 psi tensile strength and Rockwell C39 hardness rating.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread fit standards with UNC coarse threading (10-24) and precise dimensional control per ASME B18.3 specifications. These screws feature a 5/8" length with 0.406" flange diameter and are fully threaded for maximum engagement. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring strict material and safety standards.
