S-97715A534 1/4"-28 x 7/16" Brass Button Head Hex-Drive Screws
Brass 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 from high-quality brass construction, ideal for harsh industrial environments
- Precise Class 3A thread fit ensures secure, vibration-resistant fastening in critical applications
- Exceptional 50,000 psi tensile strength provides reliable performance under heavy mechanical stress
- 5/32" hex drive design delivers maximum torque transmission and prevents stripping during installation
- Fully threaded UNF fine pitch offers superior holding power and uniform load distribution
- Rockwell B55 hardness rating maintains thread integrity through repeated installation cycles
- Regulatory compliance assurance with RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
These brass rounded head screws with 1/4"-28 UNF fine threading solve critical engineering challenges in corrosive environments where steel fasteners would fail. The combination of Class 3A thread fit and fully threaded design provides exceptional vibration resistance in precision equipment, electrical enclosures, and marine applications. The button head profile with 5/32" hex drive offers both aesthetic appeal and practical installation advantages, while the brass material naturally resists galvanic corrosion when mating with dissimilar metals. These industrial screws maintain their 50,000 psi tensile strength across temperature variations, making them ideal for HVAC systems, plumbing assemblies, and electronic housing where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to precise UNF thread standards with Class 3A fit for superior dimensional accuracy. The 7/16" length and 0.437" head diameter maintain consistent specifications across production batches. Fully compliant with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market acceptance. The right-hand thread direction and fine thread spacing adhere to industry-standard fastening protocols for reliable performance in professional applications.
