Hydrabulb is a steel rivet that offers high-strength fastening and ideal for thin sheet metals. The steel breakstem provides excellent bulbing tail formation and high shear and tensile strength.


  • Sizes: 3.2mm to 6.0mm
  • Materials: Steel
  • Head forms: Dome Head
  • Ideal for use in thin sheet materials
  • Compensates for irregular, oversized, slotted or misaligned holes
  • Good hole fill
  • Can stop movement in non-standard holes
  • Provides strong, vibration resistant joints
  • High shear and tensile strength
  • Provides a large blind side bearing area against the rear sheet
  • Retained stem
  • Ideal for applications requiring elevated temperatures
  • Spreads the tail bearing load/clamp load on the rear sheet
  • No damage, electrical problems or rattling due to loose stems
  • Metal to metal
  • Plastic to plastic
  • Metal to plastic
  • Metal rear sheet
  • Automotive
  • Cabinets and enclosures
  • Heating and ventilating
  • Telecommunications