S-91771A961 10-32 x 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head 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
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
- Precision thread engagement through Class 2A thread fit and fine UNF threading, ensuring secure fastening and vibration resistance
- Efficient installation with Phillips No. 2 drive and standard flat head profile, enabling quick assembly with common tools
- Full-threaded design maximizes grip length and distributes stress evenly across the fastener
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial applications
- Optimized countersink seating with 100° angle for flush mounting in precision components
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical performance in demanding applications where material integrity and fastener reliability are paramount. The passivated 18-8 stainless steel construction provides excellent corrosion resistance in moisture-prone environments, while the 80,000 psi tensile strength ensures structural stability under dynamic loads. The fine thread spacing and Class 2A thread fit prevent loosening in vibrating machinery, making them ideal for precision equipment, automotive assemblies, and electronic enclosures. The fully threaded design and standard flat head profile enable seamless integration where flush surface mounting is required, reducing protrusion risks in compact spaces.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit and UNF fine threading (10-32) ensuring dimensional accuracy. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental safety. Features include 1/4" length, 100° countersink angle, and full threading per industrial standards.
