S-92314A112 4-40 x 5/8" 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
- Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 PSI ensures reliable performance under demanding mechanical loads
- Rockwell B70 hardness provides excellent durability and wear resistance for extended service life
- Class 2A thread fit offers consistent assembly with standard UNC nuts and tapped holes
- External hex drive design allows for high-torque installation using common wrenching tools
- Full threading along 5/8" length enables maximum grip and adjustment flexibility
- RoHS 3 and REACH compliance ensures environmental responsibility and global market acceptance
Professional Applications & Engineering Value
These 4-40 UNC hex head screws deliver critical performance advantages in industrial assembly applications where corrosion resistance and mechanical strength are paramount. The 18-8 stainless steel composition provides superior protection against rust and chemical exposure, making these fasteners ideal for manufacturing equipment, electronic enclosures, and outdoor machinery. The coarse thread spacing and Class 2A thread fit ensure rapid installation with reduced cross-threading risk, while the external hex drive accommodates high torque requirements without stripping. With 80,000 PSI tensile strength and full threading, these screws maintain secure connections in vibration-prone environments, solving common fastener failure points in demanding industrial settings.
Specification Summary & Compliance
This 4-40 UNC hex head screw features precise Class 2A thread tolerances according to Unified National Coarse standards, ensuring compatibility with standard mating components. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, confirming adherence to international environmental regulations. Manufacturing specifications include right-hand thread direction, fully threaded design, and inch system dimensions with 5/8" length and 3/16" head width for consistent performance across industrial applications.
