S-91772A206 8-32 x 2 1/4" 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.
- High tensile strength of 70,000 psi ensures reliable fastening under significant mechanical stress.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Coarse UNC thread and Class 2A fit enable quick, easy assembly and secure holding power.
- Partially threaded design allows for precise clamping force control in specific applications.
- Phillips No. 2 drive offers widespread compatibility with common tools for efficient installation.
- Rounded pan head profile delivers a low-profile, finished appearance while minimizing snagging.
Professional Applications & Engineering Value
This 8-32 UNC coarse thread pan head screw is engineered to address critical industrial fastening challenges. The passivated 18-8 stainless steel material provides exceptional resistance to oxidation and chemical exposure, making it suitable for demanding environments like outdoor equipment, marine hardware, and food processing machinery. Its partial threading allows for unthreaded shank sections to act as precise pilots or pivots, reducing the risk of cross-threading and ensuring accurate component alignment. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures that the screw maintains integrity under vibration and load, preventing joint failure in industrial assembly applications. The Phillips drive and standardized coarse thread facilitate rapid installation, boosting production efficiency while maintaining a secure, long-lasting hold.
Specification Summary & Compliance
This screw adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and performance reliability. The UNC coarse thread features a Class 2A thread fit for consistent engagement and ease of assembly. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in restricted substance-sensitive applications.
