S-91099A355 10-32 x 3/8" 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 for long-lasting performance in harsh environments
- Exceptional mechanical strength with 80,000 PSI tensile strength and Rockwell B80 hardness for reliable load-bearing applications
- Precision thread engagement through Class 2A thread fit and UNF fine threading ensuring secure fastening and vibration resistance
- Optimized flush mounting with 82° countersink angle and undercut flat head profile for seamless surface integration
- Efficient installation with Phillips No. 2 drive design reducing tool slippage and assembly time
- Full-thread coverage along the 3/8" length providing maximum grip and distribution of clamping force
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for quality and environmental safety
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical engineering solutions where surface flushness and corrosion resistance are paramount. The passivated 18-8 stainless steel material prevents galvanic corrosion and withstands chemical exposure, making them ideal for marine, food processing, and outdoor equipment applications. The fully threaded design with fine thread spacing ensures superior holding power in thin materials and vibration-prone assemblies. The combination of 80,000 PSI tensile strength and Rockwell B80 hardness provides reliable performance in high-stress mechanical joints, while the Phillips No. 2 drive and 82° countersink angle enable rapid, secure installation in automated production environments.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNF (Unified National Fine) thread specifications and right-hand threading. These 3/8" flat head screws comply with ASME B18.6.3 mechanical standards for dimensional accuracy and performance. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring hazardous substance restrictions are met for global industrial applications.
