S-91771A296 12-24 x 1" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips 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 passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
- Precision thread engagement through Class 2A fit and UNC coarse threading ensures secure fastening and vibration resistance
- Streamlined installation with Phillips No. 3 drive and standard 82° countersink angle for flush mounting and reduced assembly time
- Full-threaded design provides maximum grip length and uniform stress distribution across the entire 1" length
- Regulatory compliance meets ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
- Right-hand coarse threading delivers quick assembly and disassembly while maintaining structural integrity
Professional Applications & Engineering Value
These 12-24 UNC flat head screws deliver critical engineering solutions where flush mounting and corrosion resistance are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure in manufacturing, marine, and outdoor applications. The combination of Class 2A thread fit and coarse UNC threading ensures rapid installation while maintaining vibration resistance in machinery and equipment assemblies. With 80,000 psi tensile strength and full threading along the 1" length, these screws distribute mechanical stresses evenly, preventing point failures in critical joints. The standardized 82° countersink angle and Phillips No. 3 drive interface enable efficient installation in confined spaces while maintaining structural integrity under dynamic loads.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision engagement. Features UNC coarse threads with right-hand direction and standard 82° countersink profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include Rockwell B80 hardness and 80,000 psi tensile strength rating.
