S-92949A440 1/4"-32 x 3/4" Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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, ideal for harsh industrial environments
- Exceptional thread engagement and vibration resistance due to UNEF extra fine threading with Class 3A precision fit
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads
- Secure, slip-resistant installation with 5/32" hex drive design for consistent torque application
- Enhanced durability with Rockwell B55 hardness, maintaining structural integrity over repeated use
- Full threading for maximum grip across the entire 3/4" length, improving holding power in assemblies
- Compliance with RoHS 3 and REACH regulations for safe, environmentally responsible industrial use
Professional Applications & Engineering Value
This 1/4"-32 UNEF extra fine thread screw delivers critical advantages in precision assemblies where vibration resistance and fine adjustment are paramount. The Class 3A thread fit ensures minimal backlash and superior alignment in sensitive equipment, while the rounded button head profile provides a clean, low-profile finish that reduces snagging risks. Manufactured from 18-8 Stainless Steel, it offers excellent corrosion resistance for demanding applications in electronics, aerospace, and medical devices. The 5/32" hex drive enables secure installation in confined spaces, preventing cam-out and ensuring consistent clamping force. These features make it an engineering-grade solution for maintaining integrity in high-stress, fine-pitch threading applications.
Specification Summary & Compliance
This fastener features UNEF extra fine threading (1/4"-32) with Class 3A thread fit for precision tolerance, ensuring reliable engagement in critical assemblies. The fully threaded 3/4" length and 0.25" thread diameter provide consistent performance. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material restrictions adherence for industrial use.
