S-91771A151 6-32 x 3/4" 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 flush mounting enabled by standard 82° countersink angle and flat head design for seamless surface integration
- Optimized thread engagement through UNC coarse threading with Class 2A fit ensures secure fastening and vibration resistance
- Enhanced drive stability with Phillips No. 2 drive style providing consistent torque transfer during installation
- Full threading coverage across the 3/4" length maximizes grip strength and distribution in assembly applications
- Regulatory compliance assurance meeting ASME B18.6.3 specifications while being RoHS 3 and REACH compliant
Professional Applications & Engineering Value
These Flat Head Phillips Machine Screws deliver critical engineering solutions where surface flushness and corrosion resistance are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure in manufacturing, electronics, and outdoor equipment applications. The combination of UNC coarse threading with Class 2A fit ensures rapid installation and reliable performance in vibration-prone environments, while the standardized 82° countersink angle guarantees perfect flush mounting in precision assemblies. With 80,000 psi tensile strength, these fully threaded fasteners maintain structural integrity in high-stress applications, making them ideal for machinery, enclosures, and industrial equipment where both appearance and durability matter.
Specification Summary & Compliance
Manufactured to exact ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent performance. Features UNC coarse thread (6-32) with right-hand direction and standard flat head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include Rockwell B80 hardness and 80,000 psi tensile strength rating.
