S-90273A425 12-24 x 2" ASME B18.6.3 Steel Phillips Flat Head Screws
Steel Phillips 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 zinc-plated steel construction, ensuring long-lasting performance in harsh industrial environments
- High tensile strength of 60,000 psi provides reliable fastening for demanding applications, reducing failure risks
- Standard 82° countersink angle allows for flush mounting, creating smooth, professional finishes
- Fully threaded design ensures maximum grip and uniform load distribution along the entire length
- Class 2A thread fit with UNC coarse threading enables quick assembly and secure holding in various materials
- Rockwell B70 hardness offers excellent durability and resistance to wear during installation and use
- Compliance with RoHS 3 and REACH guarantees environmental safety and regulatory adherence for global projects
Professional Applications & Engineering Value
These 12-24 UNC flat head screws are engineered to address common industrial fastening challenges, such as vibration loosening and material fatigue. The zinc-plated steel construction provides a protective barrier against rust and corrosion, extending service life in machinery, automotive assemblies, and outdoor equipment. The Phillips No. 3 drive ensures efficient torque transmission, reducing cam-out risks during high-speed installations. With a coarse thread and fully threaded design, these screws offer superior pull-out resistance in wood, plastic, and soft metals, making them ideal for applications requiring consistent clamping force and easy disassembly. The 2" length and standard flat head profile facilitate seamless integration into countersunk holes, maintaining structural integrity while minimizing protrusion.
Specification Summary & Compliance
This product adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and interchangeability. The UNC thread with Class 2A fit provides standard tolerance for reliable engagement, while the inch system measurements guarantee compatibility with North American designs. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms the absence of restricted substances, supporting sustainable manufacturing practices and global supply chain requirements.
