S-91783A077 2-56 x 1/4" ASME B18.6.3 Stainless Steel Round Head Slotted Screws
Stainless Steel Round Head Slotted 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
- Precision thread engagement through Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
- Full-threaded design provides maximum grip length and uniform stress distribution across applications
- Standard slotted drive enables quick installation and removal with common hand tools
- Comprehensive compliance with ASME B18.6.3 manufacturing standards for guaranteed dimensional accuracy
- Environmental responsibility through RoHS 3 and REACH compliance, safe for regulated industries
Professional Applications & Engineering Value
These 2-56 UNC rounded head slotted screws deliver critical performance in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel composition, enhanced by passivated finish, provides excellent protection against oxidation and chemical exposure in manufacturing equipment, electronic enclosures, and marine applications. The fully threaded design with coarse UNC threads ensures rapid assembly and superior holding power in materials where fine threads might strip. With 100,000 psi tensile strength, these fasteners maintain integrity under dynamic loads and vibration, making them ideal for machinery, automotive components, and precision instruments requiring repeated maintenance access via the slotted drive.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit for consistent dimensional accuracy. The 1/4" length and 0.086" thread diameter maintain precise UNC coarse thread geometry. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across global industrial markets.
