S-91773A074 2-56 x 1/8" ASME B18.6.3 Stainless Steel Round Head Phillips Screws
Stainless Steel Round 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 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
- High tensile strength of 100,000 psi ensures reliable, long-lasting fastening under demanding loads.
- Rockwell B100 hardness provides excellent durability and resistance to wear and deformation.
- Fully threaded UNC coarse thread design delivers superior holding power and quick assembly in various materials.
- Class 2A thread fit guarantees consistent, precise engagement for smooth installation and reduced cross-threading risks.
- Rounded head with Phillips No. 1 drive offers easy, secure driving and a low-profile, aesthetically pleasing finish.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to strict quality and environmental standards for global applications.
Professional Applications & Engineering Value
Engineered for precision and reliability, these 2-56 UNC rounded head Phillips screws address common industrial challenges such as vibration loosening and material fatigue. The 18-8 stainless steel construction, enhanced by a passivated finish, provides robust corrosion resistance in moist or chemically aggressive settings, reducing maintenance costs and downtime. With a coarse thread and fully threaded design, they ensure rapid installation and strong retention in plastics, metals, and composites, making them ideal for electronics, machinery, and automotive assemblies. The Phillips drive facilitates efficient torque application, while the rounded head minimizes snagging, supporting streamlined production workflows and enhanced product longevity.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, with dimensions including a 1/8" length and 0.086" thread diameter for accurate mating. It is manufactured in compliance with ASME B18.6.3 specifications, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and restricted substance-free industrial applications.
