S-90272A235 4-40 x 5/32" ASME B18.6.3 Steel Pan Head Phillips Screws
Steel Pan Head Phillips Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- High tensile strength of 60,000 psi ensures reliable fastening performance under substantial mechanical stress
- Rockwell B70 hardness provides excellent resistance to wear and deformation during installation and use
- Class 2A thread fit offers optimal balance between easy assembly and secure fastening retention
- Coarse UNC threading enables quick installation and superior resistance to vibration loosening
- Phillips No. 1 drive design allows for efficient torque application and reduced cam-out during installation
- Pan head profile provides a low-profile finish with good bearing surface for secure fastening
Professional Applications & Engineering Value
These 4-40 UNC zinc-plated steel rounded head Phillips screws deliver exceptional performance in industrial assembly applications where corrosion resistance and high tensile strength are critical. The combination of coarse threading and Class 2A thread fit ensures rapid installation while maintaining vibration resistance in machinery, electronic enclosures, and equipment manufacturing. The zinc-plated surface treatment provides reliable protection against environmental factors, making these industrial screws ideal for applications requiring durable fastening solutions. The fully threaded design offers consistent engagement along the entire length, while the pan head configuration with Phillips drive facilitates efficient installation in confined spaces common in manufacturing and maintenance operations.
Specification Summary & Compliance
These screws feature precision 4-40 UNC coarse threads with Class 2A tolerance for consistent fit and performance. Manufactured in compliance with ASME B18.6.3 specifications, ensuring dimensional accuracy and mechanical properties. The products are fully RoHS 3 (2015/863/EU) compliant and meet REACH (EC 1907/2006) regulations for environmental safety and substance restrictions. The zinc-plated steel construction combined with 60,000 psi tensile strength and Rockwell B70 hardness guarantees reliable performance in industrial fastening applications.
