Cyrco's FRP Square Tube Shear Bushing

Creates a Shear Service Factor of 6.0 (twice the CTI recommended standard); withstands a Category 6 Hurricane!*

    Cyrco FRP Square Tube Shear Bushing  Cyrco's FRP Shear Bushings preven tube cracking   Cyrco's FRP Shear Bushings prevent hole wear


  • Maximizes load-bearing strength
  • Out-performs all other competitors in independent, laboratory tests*
  • Doubles the minimum 3.0 CTI Shear Service Factor
  • The two ends meet in the middle (mates) which doubles the torque safety factor immensely reducing FRP cracked tubing
  • Encases the bolt’s threading, preventing FRP hole wear
  • Locks in place and guides the bolt for faster assembly
  • Available in three commonly used sizes: 1/2" bolt 3.5" tube, 1/2" bolt 3" tube, and 3/8" bolt 3" tube
  • Designed, developed, and manufactured by Cyrco; patented
  • Pre-installation available through major FRP cooling tower retailers
  • Manufacturer-direct; pricing also available for retailers and wholesalers


*Joint School of Nanoscience and Nanoengineering of North Carolina A&T State University

Cyrco FRP Square Tube Shear Bushing Cooling Tower

  • Affiliates:
  • Avetta
  • ISN
  • CTI
  • NFPA
  • Mid Atlantic Safety Council