S-99117A380 8-32 x 12" 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
- Superior corrosion resistance through zinc plating, extending service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable performance under heavy loads and vibration
- Rockwell B70 hardness provides excellent durability and resistance to wear during installation and use
- Class 2A thread fit offers optimal assembly tolerance for smooth installation while maintaining secure fastening
- Phillips No. 2 drive design enables efficient installation with common tools while reducing cam-out risks
- Partial threading configuration allows for precise clamping force control in multi-material applications
- Coarse UNC thread pattern ensures quick assembly and superior holding power in various materials
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value across industrial applications where corrosion resistance and structural integrity are paramount. The pan head design with Phillips drive provides reliable fastening in electrical enclosures, machinery assemblies, and structural frameworks. The zinc-plated steel construction combats environmental degradation in manufacturing facilities, outdoor equipment, and marine-adjacent applications. With partial threading and coarse thread spacing, these screws excel in securing composite materials, plastic components, and sheet metal assemblies where vibration resistance and consistent clamp load are critical performance factors.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse thread specifications, these screws ensure consistent performance across production runs. Compliance with ASME B18.6.3 manufacturing standards guarantees dimensional accuracy and mechanical properties. Environmental regulations adherence includes full RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) conformity, making them suitable for global industrial supply chains and environmentally conscious manufacturing operations.
