This 45 degree tray offers a 24" bend radius for ease of coax installation. Model numbers are 12CT45 (12" wide), 18CT45 (18" wide) and 24CT45 (24" wide). Covers and. How to make cable tray bend / Cable tray offset formula / cable tray 45 degree bend Queries Solved in This Video:. more Audio tracks for some languages were automatically generated. Designed for both internal and external applications, this fitting combines. Order medium duty cable tray 45 degree flat bend (Built in Couplers) and are used to create fixed angular changes in direction in the same plane! Buy Now!Would someone kindly let me know the formula to create a flat 45 in say 100 mm cable tray for example. So basically from my middle line what size to mark either side to cut my lip away to create different angles.