S-91773A187 2-56 x 1" ASME B18.6.3 Stainless Steel Round Head Phillips Screws
Stainless Steel Round Head Phillips Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
- High tensile strength of 100,000 psi provides exceptional load-bearing capacity and resistance to mechanical failure.
- Precise Class 2A thread fit guarantees smooth assembly and secure fastening in demanding applications.
- Fully threaded design offers maximum grip and uniform stress distribution along the entire 1" length.
- Rockwell B100 hardness enhances durability and resistance to wear during repeated use.
- Phillips No. 1 drive ensures easy installation with standard tools, reducing assembly time and effort.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures safety, quality, and environmental responsibility.
Professional Applications & Engineering Value
These 2-56 UNC rounded head Phillips screws are engineered to address critical challenges in industrial settings, such as vibration resistance and corrosion in machinery, electronics, and automotive assemblies. The 18-8 stainless steel material combined with a passivated finish provides robust protection against oxidation and chemical exposure, extending service life in humid or corrosive environments. With a coarse thread and Class 2A fit, they ensure quick, reliable fastening without cross-threading, reducing downtime in high-volume production lines. Ideal for applications requiring right-hand thread precision and fully threaded engagement, these screws deliver consistent performance in equipment where strength and regulatory compliance are paramount.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances under the UNC thread standard, ensuring dimensional accuracy for inch-based systems. It meets ASME B18.6.3 manufacturing specifications for consistency and reliability. Additionally, the product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for industrial use.
