S-90280A203 8-32 x 1 1/2" ASME B18.6.3 Steel Fillister Head Slotted Screws
Steel Fillister Head Slotted 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 zinc-plated steel construction, extending service life in demanding industrial environments
- High-strength performance with 60,000 psi tensile strength and Rockwell B69 hardness for reliable load-bearing applications
- Precise thread engagement with Class 2A fit UNC coarse threads ensuring consistent, vibration-resistant fastening
- Enhanced drive stability from the fillister head design with slotted drive, providing secure tool engagement and reduced cam-out
- Full-threaded coverage along the 1 1/2" length for maximum grip and distribution of clamping force
- Regulatory compliance with ASME B18.6.3 standards and RoHS 3/REACH directives for safe, quality-assured usage
- Versatile installation with right-hand threading compatible with standard UNC fastener systems
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value in industrial assembly, machinery, and equipment manufacturing. The coarse thread design and Class 2A fit prevent cross-threading and enable quick installation in high-vibration environments, reducing assembly time and maintenance needs. The fillister head profile with slotted drive offers improved torque transmission and access in confined spaces, while the zinc plating provides a protective barrier against rust and corrosion in humid or outdoor settings. With full threading along the 1 1/2" length, these screws ensure uniform stress distribution and reliable fastening in metal, plastic, and composite materials, making them ideal for durable industrial fastening applications.
Specification Summary & Compliance
This product meets ASME B18.6.3 specifications for dimensional accuracy and performance, featuring UNC coarse threads with Class 2A thread fit for consistent engagement. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable usage. The screws are fully threaded with right-hand direction and are supplied in inch measurements for compatibility with standard industrial systems.
