Example aspects of a fitting for engaging a brace member and a method for attaching a brace member to a mounting bracket are disclosed. The fitting for engaging a brace member can comprise a fitting body; a first jaw extending from the fitting body; a second jaw extending from the fitting body, the first jaw and second jaw defining a slot therebetween; and a continuous contact surface defining a top contact surface, a bottom contact surface, a left contact surface, and a right contact surface, the continuous contact surface configured to continuously engage a peripheral edge of the brace member.