S-91249A547 1/4"-20 x 1" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips 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 Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Exceptional holding power from 70,000 psi tensile strength and Rockwell B70 hardness for reliable fastening performance
- Quick installation and removal with Phillips No. 3 drive design and fully threaded UNC coarse spacing
- Consistent fit and reduced cross-threading thanks to Class 2A thread fit precision
- Enhanced durability with rounded pan head profile that resists stripping and provides optimal torque transfer
- Regulatory compliance assurance meeting ASME B18.6.3 standards, RoHS 3, and REACH requirements
- Versatile industrial application with 1/4"-20 x 1" dimensions suitable for various assembly needs
Professional Applications & Engineering Value
These Black-Oxide 18-8 Stainless Steel rounded head Phillips screws deliver exceptional performance in demanding industrial settings where corrosion resistance and mechanical strength are critical. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures reliable fastening in high-stress applications, while the fully threaded UNC coarse spacing provides superior grip and vibration resistance. The Black-Oxide finish on 18-8 stainless steel offers enhanced protection against oxidation and chemical exposure, making these 1/4"-20 screws ideal for machinery assembly, electrical enclosures, and outdoor equipment where environmental factors would compromise ordinary fasteners. The Phillips No. 3 drive and rounded pan head design facilitate efficient installation while minimizing cam-out during high-torque applications.
Specification Summary & Compliance
This 1/4"-20 x 1" screw features precision Class 2A thread fit with UNC coarse thread spacing for optimal engagement and assembly efficiency. Manufactured to exacting ASME B18.6.3 specifications with complete regulatory compliance including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements. The product maintains dimensional accuracy with 0.492" head diameter and 0.175" head height for consistent performance across industrial applications.
