S-94356A129 1/4"-20 x 3/4" 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
- Exceptional corrosion resistance and high-temperature performance from A286 stainless steel material, ideal for demanding industrial environments
- Superior torque transmission and reduced cam-out risk with T30 Torx drive, ensuring secure fastening and tool longevity
- Reliable, vibration-resistant thread engagement thanks to Class 3A thread fit and fully threaded design for maximum holding power
- Flush, professional finish achieved with 82° countersink angle, preventing snagging and maintaining surface integrity
- High tensile strength of 130,000 psi provides robust performance under heavy loads and stress conditions
- Consistent dimensional accuracy with UNC coarse thread and right-hand direction for quick assembly and interchangeability
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
Professional Applications & Engineering Value
Engineered for precision and durability, these 1/4"-20 UNC flat head screws with A286 stainless steel construction address critical needs in aerospace, automotive, and heavy machinery sectors. The Class 3A thread fit and fully threaded design ensure tight, reliable connections that resist loosening under vibration, while the T30 Torx drive enables high-torque application without stripping. The 82° countersink angle allows for seamless, flush mounting in countersunk holes, reducing aerodynamic drag and improving aesthetic finish. Ideal for applications requiring high tensile strength and corrosion resistance, these screws provide long-term reliability in harsh operating conditions, minimizing maintenance and replacement costs.
Specification Summary & Compliance
This flat head screw features a 1/4"-20 UNC coarse thread with Class 3A thread fit for precise, high-strength engagement. Manufacturing adheres to standard inch system dimensions, including a head diameter of 0.531" and length of 3/4". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.
