Large-diameter anchor holes accommodate 1/2"-diameter concrete screw anchor and wedge anchors, such as the Simpson Strong-Tie Titen HD® heavy-duty screw anchor and the Strong-Bolt® 2 wedge anchor. The RCKW5.5 and RCKW7.5 have three large holes for added versatility. The center hole ...
“Strong-Tie Rod System”, Simpson Strong-Tie Catalog C-HW02, back page and p. 21, Simpson Strong-Tie Company, Inc., Nov. 2002, USA. ESR-2190—Cinch Nut Shrinkage Compensation Device: Models CN6, CN7, and CN8 and CN10, ICC Evaluation Service, Inc., Oct. 1, 2006, 4 pages, USA...