S-92198A816 5/8"-11 x 5 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex 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 thanks to 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength rated at 80,000 psi for reliable performance in heavy-duty applications
- Optimized thread engagement with Class 2A thread fit ensuring smooth installation and secure fastening
- Enhanced drive stability through external hex design providing superior torque transmission
- Reduced cross-threading risk with UNC coarse threads facilitating quicker assembly in demanding conditions
- Partial threading design offering improved clamping force distribution across connected materials
- Regulatory compliance assurance meeting ASME B18.2.1 standards for consistent quality and performance
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these 5/8"-11 UNC hex head screws deliver critical performance advantages where reliability matters most. The 18-8 stainless steel composition provides exceptional corrosion resistance, making them ideal for applications exposed to moisture, chemicals, or outdoor elements. The coarse thread configuration ensures rapid installation and superior holding power in structural assemblies, machinery frames, and heavy equipment. With partial threading and external hex drive, these fasteners offer precise clamping control and high-torque capability for critical joints. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures these screws maintain integrity under vibration and dynamic loads, reducing maintenance frequency and downtime in industrial operations.
Specification Summary & Compliance
These hex head screws feature precise Class 2A thread fit tolerances and conform to ASME B18.2.1 manufacturing specifications. The 5/8"-11 UNC coarse thread configuration ensures proper engagement while the partial threading design provides optimal stress distribution. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental responsibility and material safety standards for industrial applications worldwide.
