S-91772A082 2-56 x 5/8" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless 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 passivated 18-8 stainless steel construction, ideal for harsh environments and extended service life.
- High tensile strength of 70,000 PSI ensures reliable fastening under significant mechanical stress, reducing failure risks.
- Rockwell B70 hardness provides excellent wear resistance and maintains thread integrity during repeated use.
- Class 2A thread fit with UNC coarse threading allows for quick assembly and secure holding in various materials.
- Fully threaded design offers maximum grip and uniform load distribution along the entire 5/8" length.
- Phillips No. 1 drive and pan head style facilitate easy installation with standard tools while providing a low-profile, rounded finish.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 2-56 UNC pan head screws in passivated 18-8 stainless steel address common challenges like corrosion, vibration loosening, and high-stress fatigue. The coarse UNC threads and Class 2A fit enable rapid, secure fastening in metal, plastic, and composite assemblies, minimizing installation time and enhancing production efficiency. With a fully threaded 5/8" length and Phillips drive, they provide consistent clamping force and are ideal for machine screws in electronics, automotive, and machinery where reliability and regulatory compliance are critical. The rounded pan head design reduces snagging and offers a clean aesthetic, making them suitable for visible applications without compromising performance.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. It is manufactured in compliance with ASME B18.6.3 specifications for consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial and consumer products without hazardous substances.
