S-93031A172 1/2"-20 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extending service life.
- Reliable left-hand thread engagement prevents loosening under counter-clockwise rotation in specialized machinery.
- Precise Class 2B thread fit ensures smooth assembly and consistent clamping force in fine-thread applications.
- Space-saving thin profile (5/16" height) allows use in confined areas without compromising strength.
- Easy installation and removal with standard external hex drive, compatible with common wrenches for efficient maintenance.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.
- Durable performance in demanding conditions due to fine UNF thread design, reducing vibration-induced failures.
Professional Applications & Engineering Value
This 1/2"-20 UNF left hand thin hex nut in 316 Stainless Steel addresses critical engineering challenges in industries like marine, chemical processing, and aerospace, where corrosion resistance and reverse-thread security are paramount. The fine thread spacing and Class 2B fit provide enhanced vibration resistance and leak-proof sealing in high-pressure systems, while the thin profile enables installation in compact assemblies without sacrificing load distribution. Its external hex drive simplifies maintenance in hard-to-reach areas, reducing downtime. By combining left-hand threading with robust 316 Stainless Steel, this nut prevents accidental disassembly in rotating equipment, offering a reliable solution for specialized industrial fastening needs.
Specification Summary & Compliance
This hex nut features a 1/2"-20 UNF left-hand thread with Class 2B fit for precise tolerance, a width of 3/4", and height of 5/16". It conforms to standard inch measurement systems and is manufactured from 316 Stainless Steel. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.
