3-Piece Avbolt® Lockbolts are heavy duty structural blind fasteners which can be used on steel & aluminum. The 3-Piece design features a separate stem, collar and sleeve. This tamper resistant system is designed to create a permanent fixing for automotive, construction, container, railway, mining and bridge-building and security fencing applications. In addition, Avbolt® offers high tensile and shear strength in a blind lockbolt for single-sided and access-restricted installations.
Unit of Measure



N/A Avbolt®


N/A Steel


N/A 3/8 in

Maximum Grip Size

N/A 0.313 in

Hole Size

N/A 0.413 to 0.435 in

Features and Benefits

Features and Benefits

N/A Simple to use, Adbolt requires minimal operator skill. Its locking feature creates a vibration resistant joint and prevents loosening stems. Other features include:
  • Wide grip capability suits a variety of material thicknesses
  • Fast installation
  • Tamper resistant
  • Easy to inspect for correct installation
  • Designed for heavy duty applications
  • TIR Approved
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