S-90272A098 3-48 x 3/4" 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 with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments.
- High tensile strength of 60,000 psi provides dependable load-bearing capacity for demanding fastening applications.
- Rockwell B70 hardness offers excellent durability and resistance to wear during installation and use.
- Coarse UNC threads with Class 2A fit enable quick, secure engagement and reduce cross-threading risks.
- Fully threaded design maximizes grip and holding power across the entire screw length.
- Phillips drive with No. 1 size ensures efficient torque transfer and reduces driver slippage.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
These 3-48 UNC zinc-plated steel rounded head screws are engineered to address common industrial fastening challenges, such as vibration loosening and corrosion-induced failure. The zinc plating provides a protective barrier against moisture and chemicals, extending service life in outdoor or corrosive settings. With a coarse thread profile and Class 2A fit, these screws offer rapid assembly and reliable retention in materials like metal, plastic, or wood, minimizing installation time and rework. The pan head style and Phillips drive facilitate flush mounting and easy access in confined spaces, making them ideal for machinery, electrical enclosures, and automotive components where consistent performance under stress is critical.
Specification Summary & Compliance
This product features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. Manufacturing adheres to ASME B18.6.3 specifications for consistent quality. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances for safe use in global markets.
