S-91099A360 10-32 x 1/2" 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
- Exceptional corrosion resistance with passivated 18-8 stainless steel construction for longevity in harsh environments
- Superior tensile strength rated at 80,000 psi ensures reliable performance under high-stress conditions
- Precise Class 2A thread fit guarantees smooth installation and secure fastening in fine-thread applications
- Optimized flush mounting with 82° countersink angle and undercut flat head design for seamless surface integration
- Enhanced driving efficiency through Phillips No. 2 drive that prevents cam-out during installation
- Full threading coverage along the 1/2" length provides maximum grip and load distribution
- Industry compliance assurance meeting ASME B18.6.3 standards for dimensional accuracy and reliability
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical performance advantages in precision assemblies where surface finish and corrosion resistance are paramount. The passivated 18-8 stainless steel construction provides excellent protection against oxidation and chemical exposure, making them ideal for industrial equipment, electronic enclosures, and marine applications. The combination of fine thread spacing and Class 2A thread fit ensures vibration resistance and prevents loosening in dynamic environments. The undercut flat head profile with 82° countersink angle allows for flush mounting without surface protrusion, while the fully threaded design maximizes engagement strength in both thick and thin materials.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent performance. These flat head screws feature 10-32 UNF fine threads with right-hand direction and 1/2" length. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across various industries. Material hardness certified at Rockwell B80 with 80,000 psi tensile strength for dependable mechanical performance.
