The Type HB Hollo-Bolt® is a product for connecting to square, rectangular or circular structural tube or to conventional steel where access is available from one side only. The Hollo-Bolt® offers a reduction in installation time over traditional connection methods such as welding, drilling and tapping holes or unsightly strapping. The Hollo-Bolt® gives the specifier confidence and peace of mind with guaranteed safe working loads and a 5:1 factor of safety. For aggressive environments the Hollo-Bolt® has a HDG corrosion protection finish, alternatively the product is available in stainless steel.

The patented five part 5/8" (M16) and 3/4" (M20) sizes feature a collapse mechanism to maximize clamping force and enable use in primary moment connections.

Typical Hollo-Bolt® applications include the connection or suspension of:

  • Primary Steel
  • Secondary steel
  • Material Handling Equipment
  • Lifting Equipment
  • Wall Ties
  • Cladding
  • Curtain Walling
  • Electrical Equipment
  • Blast Walling
  • HVAC Equipment
  • Fire Protection Systems

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