S-91440A509 10-32 x 3/4" ASME B18.6.3 Steel Round Head Combination Phillips/Slotted Screws
Steel Round Head Combination Phillips/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 tensile strength of 60,000 psi ensures reliable, secure fastening under significant mechanical stress and vibration.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation during installation and use.
- Dual Phillips/Slotted (No. 2) drive offers versatile installation options with common tools, improving assembly efficiency.
- Class 2A thread fit on the 10-32 UNF fine thread ensures precise, consistent engagement and reduces the risk of cross-threading.
- Fully threaded design along the 3/4" length maximizes grip and load distribution across the entire fastener.
- Rounded head profile provides a finished appearance and reduces the risk of snagging on equipment or materials.
Professional Applications & Engineering Value
These 10-32 UNF zinc-plated steel rounded head screws are engineered to address common industrial fastening challenges, such as vibration loosening and corrosion. The fine thread design and Class 2A fit provide superior holding power in metal assemblies, machinery, and electronic enclosures where precise thread engagement is critical. The zinc plating offers a protective barrier against rust, making these fully threaded screws ideal for outdoor equipment, automotive components, and manufacturing systems exposed to harsh conditions. Their high tensile strength and Rockwell B70 hardness ensure they withstand repetitive stress, reducing maintenance needs and downtime in industrial applications.
Specification Summary & Compliance
This product adheres to ASME B18.6.3 specifications for dimensional accuracy and performance. The 10-32 UNF thread features a Class 2A fit for consistent, reliable fastening. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global supply chains.
