Short answer: Nut selection follows the bolt: a standard hex nut for general use, flange or nylon-insert lock nuts where vibration loosens joints, and jam or coupling nuts for space or rod joining; supply in our Bolts and Nuts Supplier and the grade detail in our Fastener Grade Guide.
At a Glance
Nut Basics
The nut must match the bolt thread and class so the joint carries load safely, with the matching view in our Bolt Buyers Guide.
Standard and Flange Nuts
Hex nuts cover most work and flange nuts spread load and resist vibration, with base stock in our Carbon Steel Supplier.
Locking Nuts
Nylon-insert and all-metal lock nuts hold under vibration while jam nuts double-lock in tight spaces, with the corrosion note in our Surface Finishing Guide.
Specialty and Quality
Coupling nuts join rod and slotted nuts fit castellated pins; verify lots with our Quality Inspection Guide and documents per our Mill Test Certificate Guide.
Get a Quote
Tell HXSCO your requirements and we will respond with a competitive quote and lead time.
Preguntas frecuentes
Flange or nylon-insert lock nut.
Use the same or one class higher.
Thin second nut that locks the joint.
To join two lengths of threaded rod.
Yes – MTC with analysis.
Get a Nut Quote
HXSCO supplies hex, flange, lock and coupling nuts in matched grades with MTC. Send size, grade and quantity for a quote.