S-92703A408 1/4"-20 x 3/4" ASME B18.3 Stainless Steel Torx Flat Head Screws
Stainless Steel Torx 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Enhanced torque transmission and reduced cam-out thanks to the Torx Plus IP27 drive system for reliable installation
- High mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Precise thread engagement with UNC coarse threads and Class 2A fit ensuring secure fastening
- Flush mounting capability with standard 82° countersink angle flat head design for clean, aerodynamic surfaces
- Full thread coverage along the 3/4" length provides maximum grip and load distribution
- Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for quality and safety
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 1/4-20 UNC flat head screw solves critical fastening challenges in machinery, aerospace, and marine equipment. The 18-8 stainless steel material combined with passivated finish provides exceptional resistance to oxidation and chemical exposure, extending service life in corrosive environments. The Torx Plus IP27 drive prevents tool slippage during high-torque assembly, reducing installation errors and component damage. With its fully threaded design and standard 82° countersink, it ensures secure fastening in thin materials while maintaining flush surface profiles. These industrial fasteners deliver reliable performance where vibration resistance, structural integrity, and corrosion protection are paramount.
Specification Summary & Compliance
This flat head screw features 1/4"-20 UNC coarse threads with Class 2A thread fit for standard tolerance applications. Manufacturing complies with ASME B18.3 specifications for dimensional accuracy. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety regulations for industrial components.
