S-90272A125 5-40 x 5/16" 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, extending service life in demanding environments
- Exceptional holding power from 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening performance
- Quick installation and removal with No. 2 Phillips drive and fully threaded right-hand design
- Optimized thread engagement through Class 2A coarse UNC threads ensuring secure connections
- Broad compatibility with standard 5-40 UNC components and industrial equipment
- Regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for global applications
- Versatile pan head design providing excellent bearing surface for various assembly requirements
Professional Applications & Engineering Value
These zinc-plated steel screws with 5-40 UNC coarse threading deliver critical performance advantages for industrial assembly applications. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures reliable fastening in vibration-prone environments, while the fully threaded design maximizes grip length for superior load distribution. The rounded pan head profile with No. 2 Phillips drive facilitates efficient installation in confined spaces, reducing assembly time and labor costs. Engineered to withstand harsh conditions, these industrial screws provide durable solutions for machinery, electrical enclosures, and metal fabrication where corrosion resistance and mechanical integrity are paramount.
Specification Summary & Compliance
These 5-40 UNC screws feature precise Class 2A thread fit per ASME B18.6.3 specifications, ensuring dimensional accuracy and interchangeability. The 5/16" length and coarse thread spacing provide optimal fastening characteristics for general industrial use. Manufacturing compliance includes ASME B18.6.3 standards for dimensional requirements, along with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming they're free from restricted substances for global market acceptance.
