S-91772A255 10-24 x 2 1/2" 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 industrial environments and extending service life.
- High tensile strength of 70,000 psi and Rockwell B70 hardness ensure reliable performance under significant mechanical stress and vibration.
- Coarse UNC threads provide faster installation and reduced risk of cross-threading, enhancing assembly efficiency.
- Class 2A thread fit guarantees consistent, precise engagement with standard nuts and tapped holes for secure connections.
- Partially threaded design allows for controlled clamping force, preventing over-tightening and material damage.
- Rounded pan head with No. 2 Phillips drive offers a low-profile, flush finish and easy driveability with common tools.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to strict quality, safety, and environmental standards.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 10-24 UNC coarse thread screws in passivated 18-8 stainless steel address critical challenges like corrosion, vibration loosening, and high-stress fatigue. The partially threaded shank concentrates clamping force precisely where needed, reducing the risk of joint failure in machinery, electrical enclosures, and structural assemblies. With a rounded pan head and Phillips drive, installation is streamlined for maintenance and production lines, while the Class 2A thread fit ensures repeatable, leak-proof connections in OEM and MRO applications. This combination of material durability and design intelligence minimizes downtime and lifecycle costs.
Specification Summary & Compliance
This screw meets ASME B18.6.3 specifications for dimensional accuracy, including a Class 2A thread fit and UNC coarse threading with a 2 1/2" length. It is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring it is free of hazardous substances and suitable for global supply chains. The manufacturing process adheres to strict tolerances for thread diameter, head dimensions, and mechanical properties, providing reliable performance in regulated industries.
