S-91858A144 6-32 x 1/4" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted 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 316 stainless steel construction and passivated finish, ideal for harsh environments and extended service life.
- High mechanical strength offering 70,000 psi tensile strength and Rockwell B80 hardness for reliable performance under load.
- Precision threading with UNC coarse thread and Class 2A fit ensures easy installation and secure fastening in various materials.
- Optimized head design featuring a standard 82° countersink angle and flat head for a flush, clean finish in countersunk applications.
- Full threading along the 1/4" length provides maximum grip and holding power across the entire fastener.
- Broad compliance with ASME B18.6.3 specifications and environmental standards like RoHS 3 and REACH for assured quality and safety.
- Simple installation with a standard slotted drive, allowing for easy use with common hand tools.
Professional Applications & Engineering Value
This 6-32 UNC flat head screw is engineered from 316 stainless steel with a passivated finish to combat corrosion in demanding settings like marine, chemical processing, and outdoor equipment. The coarse UNC thread and Class 2A fit reduce cross-threading risks and enable quick assembly, while the fully threaded 1/4" length ensures consistent clamping force. Its 82° countersink angle and flat head design allow for seamless integration into surfaces, minimizing protrusion and improving aesthetics. Ideal for applications requiring robust, corrosion-resistant fasteners that meet strict ASME B18.6.3 standards, these screws deliver long-term reliability in industrial and structural assemblies.
Specification Summary & Compliance
This screw features a 6-32 UNC coarse thread with Class 2A tolerance for precise fit, a length of 1/4", and is fully threaded. It complies with ASME B18.6.3 for dimensional accuracy and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety regulations.
