S-91772A267 2-56 x 1 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
- Exceptional corrosion resistance with passivated 18-8 stainless steel, ideal for harsh industrial environments and extending service life.
- High tensile strength of 70,000 psi ensures reliable fastening under mechanical stress, reducing the risk of failure in demanding applications.
- Rockwell B70 hardness provides excellent wear resistance, maintaining thread integrity and screw performance over repeated use.
- Coarse UNC threads with Class 2A fit offer quick and easy installation, minimizing assembly time and improving productivity.
- Pan head with No. 1 Phillips drive allows for secure tool engagement and efficient torque application, preventing cam-out and damage.
- Fully threaded 1 1/2" length ensures maximum grip and holding power across the entire fastener, suitable for varied material thicknesses.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental regulations, ensuring safety and reliability.
Professional Applications & Engineering Value
These 2-56 UNC pan head Phillips screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. Made from passivated 18-8 stainless steel, they resist oxidation and chemical exposure, making them ideal for machinery, electronics, and outdoor equipment. The coarse thread design and Class 2A thread fit facilitate rapid installation in metals and plastics, reducing labor costs. With a fully threaded shank and rounded pan head, they provide consistent clamping force and a low-profile finish, essential for applications in automotive, aerospace, and manufacturing where durability and regulatory compliance are critical.
Specification Summary & Compliance
This screw features precise UNC coarse threads with Class 2A tolerance for consistent fit and performance. It meets ASME B18.6.3 manufacturing standards, ensuring dimensional accuracy and reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free from hazardous substances, supporting safe and sustainable industrial use.
