S-91781A199 8-32 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
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
- Exceptional mechanical strength delivering 80,000 psi tensile strength and Rockwell B80 hardness for reliable, vibration-resistant fastening
- Precision thread engagement with Class 2A fit and UNC coarse threads ensuring smooth installation and consistent clamping force
- Optimal flush mounting featuring standard 82° countersink angle and flat head design for seamless surface integration
- Full-threaded design providing maximum thread engagement along the entire 1" length for superior load distribution
- Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and performance reliability
- Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use across regulated industries
Professional Applications & Engineering Value
These 8-32 UNC flat head slotted screws deliver critical engineering solutions where flush surface mounting and corrosion resistance are paramount. The 18-8 stainless steel composition combined with passivated finish provides exceptional protection against oxidation and chemical exposure, making them ideal for industrial equipment, marine applications, and food processing machinery. The fully threaded design ensures maximum grip strength across the entire fastener length, while the standard 82° countersink angle guarantees proper seating in prepared holes. With coarse UNC threads and Class 2A thread fit, these screws offer rapid installation and reliable performance in vibration-prone environments, reducing maintenance cycles and improving operational efficiency.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC thread form ensuring consistent performance. Complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety. Features include 0.312" head diameter, 1" length, right-hand threading, and fully threaded construction.
