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Fig. 548 Threaded Top Hook


hook attachment APPLICATION:  Fig. 548 Threaded Top Hooks are recommended for use over back to back angles or the top chord of metal bar joists.
CONSTRUCTION:  A Fig. 548 Threaded Top Hook consists of a bent flat bar with a hook on one end and a threaded attachment hole for the support rod in the middle of the flat bar.
The washer and nut are provided separately.
FINISHES AVAILABLE:  Black, Hot Dip Galvanized or Electro-Plated.
ORDERING:  Specify figure number, nominal pipe diameter, name and finish, if other than black.
EXAMPLE:  Fig. 548, 4, Threaded Top Hook, HDG.

beam atttachement chart