S-99117A910 1/4"-20 x 10" ASME B18.6.3 Steel Pan Head Phillips Screws
Steel Pan Head Phillips 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
- Enhanced Corrosion Resistance: Zinc-plated steel construction provides reliable protection against rust, extending service life in demanding industrial environments.
- Superior Tensile Strength: With a 60,000 psi tensile strength, this screw ensures secure, long-lasting fastening for heavy-duty applications.
- Optimized Drive Engagement: Phillips No. 3 drive offers efficient torque transfer and reduces the risk of cam-out during installation.
- Reliable Thread Performance: UNC coarse 1/4"-20 threads with Class 2A fit ensure easy starting and consistent engagement in various materials.
- Versatile Partial Threading: The 1 1/2" minimum threaded length allows for flexible clamping and precise tension control in assembly operations.
- Durable Material Hardness: Rockwell B70 hardness provides excellent resistance to wear and deformation under load.
- Broad Industrial Compliance: Meets ASME B18.6.3 specifications and environmental standards (RoHS 3, REACH) for global supply chain compatibility.
Professional Applications & Engineering Value
This zinc-plated steel rounded head screw is engineered to address critical fastening challenges in industrial settings. The partially threaded design with UNC coarse threads provides superior grip in wood, metal, and composite materials, preventing loosening from vibration. The pan head profile with Phillips drive ensures flush mounting and easy installation in confined spaces. With 60,000 psi tensile strength and corrosion-resistant plating, it delivers reliable performance in construction, machinery assembly, and electrical enclosures where durability and compliance with ASME B18.6.3 standards are essential.
Specification Summary & Compliance
This screw features precise Class 2A thread fit with 1/4"-20 UNC coarse threads and partial threading (min. 1 1/2"). Manufactured to ASME B18.6.3 specifications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for international industrial applications.
