S-91440A247 10-24 x 1" ASME B18.6.3 Steel Round Head Combination Phillips/Slotted Screws
Steel Round Head Combination Phillips/Slotted 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 plating for extended service life in demanding industrial environments
- Exceptional holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening under stress
- Versatile installation options with combined Phillips/slotted drive for flexible tool compatibility
- Optimized thread engagement with fully threaded UNC coarse spacing for faster assembly and stronger connections
- Precise dimensional consistency with Class 2A thread fit ensuring smooth installation and reduced cross-threading risks
- Regulatory compliance assurance meeting ASME B18.6.3 standards for quality and RoHS/REACH for environmental safety
- Universal right-hand threading compatible with standard industrial equipment and replacement parts
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these zinc-plated steel rounded head screws provide critical corrosion protection while maintaining structural integrity. The fully threaded UNC coarse spacing delivers maximum thread contact area, solving common vibration-induced loosening problems in machinery and equipment assembly. With 60,000 psi tensile strength and Rockwell B70 hardness, they withstand significant mechanical stress in automotive, manufacturing, and electrical enclosure applications. The combination of Phillips/slotted drive accommodates various installation tools, reducing assembly time while the rounded head profile minimizes snagging hazards in exposed applications.
Specification Summary & Compliance
Manufactured to exact ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision assembly. Features UNC coarse thread (10-24) with right-hand direction and 1" length. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across global markets. Drive system accommodates No. 2 Phillips/slotted tools with standard rounded head profile (0.359" diameter, 0.137" height).
