Description
3/8-16 Stainless Steel (SS) Hex Nut is a high-quality, durable fastener that offers greater corrosion resistance than HDG or zinc alternatives, often used in marine, chemical-exposure, and moisture-heavy fastening applications.
Hex nuts have a flat bearing surface, a six-sided body, and a fully threaded interior designed to fasten onto a compatible bolt or threaded rod to secure components together. Their six-sided body allows for easy tightening with standard wrenches and sockets, and the stainless steel construction provides reliable performance in corrosive and moisture-heavy environments while maintaining a clean, polished appearance.
Stainless Steel (SS) 18-8
- Stainless Steel 18-8 hex nuts have a higher corrosion resistance than HDG or zinc alternatives
- These are often used around chemicals or saltwater, and in applications requiring a clean, polished appearance with long-term durability
3/8-16 SS Hex Nut Features
- High torque capacity due to the six-sided body, allowing use with wrenches, ratchets, and impact drivers
- Fully threaded interior designed to engage completely with the mating bolt or threaded rod for a secure, reliable connection
- Corrosion and scratch resistant, durable when submerged in water or exposed to mild chemicals
Common Uses
- Marine construction, docks, and waterfront structures where corrosion resistance and long-term durability are required
- Coastal and chemical-exposure environments including piers, water treatment facilities, and outdoor equipment
- Exterior structural and mechanical assemblies requiring a clean, polished finish alongside reliable corrosion resistance
Application
- Thread onto a compatible bolt or threaded rod by hand until snug against the mating surface, then tighten with a wrench or socket sized to the hex body
- Use with a washer between the nut and mating surface to distribute load and prevent surface damage where required
- Ensure the mating bolt or threaded rod shares the same thread diameter, pitch, and grade before assembly
Tips
- Always verify that the bolt or threaded rod shares the same thread diameter and pitch as the hex nut before assembly
- Hex nuts are measured by their thread diameter and pitch, matching the bolt or threaded rod they are paired with
- Use stainless steel bolts and hardware throughout the assembly to avoid galvanic corrosion when pairing with SS 18-8 components













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