Create beautiful looking post to beam connections with the CBT4Z concealed beam tie. The CBTZ system features a cylindrical design that can be installed with a regular drill bit. Pins secure the system together through the post and beam to create a solid structural connection without having to see an exposed post cap. If youre looking to outfit your entire project with concealed connectors, check out our CPTZ concealed post bases and CJT concealed joist ties for a completely concealed design.