An engineered high temperature resistant steelAlloy 330 Hex Bolt

  • Excellent high temperature stability
  • Very oxidation and carburization resistant to 2100°F
  • Good resistance to thermal shock and quenching
  • Alloy 330 hex head bolt features and benefits

Alloy 330 hex head bolts are specifically designed for high temperature furnace applications. Alloy 330 bolts unique combination of properties allow 330 bolts to handle thermal shock from quenching, be oxidation and carburization resistant as well as handle thermal cycling well.  As a result, alloy 330 hex head bolts are found in high temperature applications like vacuum furnaces, heat treating and brazing applications. 

Resources: Alloy 330 Torque Specs

Duplex Bolt Types: Hex Head BoltShoulder Bolt


Alloy 330 Hex Head Bolt Features and Benefits

It is important to differentiate between a alloy 330 hex head bolt and hex head cap screw. Often people assume they are the same, but they are actually very different fasteners in terms of how they are manufactured, as well as from an application perspective. Regardless of your choice, alloy 330 hex heads offer strong, stable joints because of their large head service. 

The Hex Comparison

Hex Head Bolts

Hex Head Cap Screw
  • Hex bolts have a flat end and lack the washer face under the head.
  • Appropriate for when mechanical properties are more important than dimensional tolerances.
  • Features flat washer facing under the bolt head.
  • Also called a finished hex bolt. 
  • Has tighter tolerances on the body dimensions. 
  • Best used for precise applications where tight tolerances on the body dimensions are required. 

  


330 Tensile Curve

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