S-91781A177 1-64 x 1" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted 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 18-8 stainless steel construction and passivated finish for long service life in harsh environments
- Superior mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness to withstand high-stress applications
- Reliable coarse threading with 1-64 UNC specification and Class 2A fit for quick installation and vibration resistance
- Optimal flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
- Full thread coverage across the entire 1" length ensures maximum grip and load distribution
- Industry-standard compliance with ASME B18.6.3 specifications for guaranteed dimensional accuracy and performance
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for global regulatory acceptance
Professional Applications & Engineering Value
This 1-64 UNC flat head slotted screw delivers critical performance advantages for industrial assembly applications where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel composition combined with passivated finish provides exceptional protection against oxidation and chemical exposure, making it ideal for marine, food processing, and outdoor equipment applications. The coarse UNC threading with Class 2A fit ensures rapid installation while maintaining vibration resistance in high-cycle environments. The fully threaded design maximizes engagement strength across the entire 1" length, while the 82° countersink angle creates flush surface mounting for safety-critical assemblies. These industrial fasteners solve common engineering challenges including material degradation, thread stripping, and installation efficiency.
Specification Summary & Compliance
Manufactured to precise ASME B18.6.3 standards with Class 2A thread fit for consistent dimensional accuracy. Features 1-64 UNC coarse threading with right-hand direction and standard flat head profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include 80,000 psi tensile strength and Rockwell B80 hardness rating.
