Jan 2, 2016 #1 A AndyF Flashlight Enthusiast Joined Feb 19, 2013 Messages 1,102 Location 38.7296° N, 120.7985° W What is the thread size/TPI for the head on the TL tubes?.
Jan 5, 2016 #2 Moddoo Flashlight Enthusiast Joined Nov 19, 2008 Messages 1,243 Location Minnesota They are 1"-20tpi
Jan 5, 2016 #3 A AndyF Flashlight Enthusiast Joined Feb 19, 2013 Messages 1,102 Location 38.7296° N, 120.7985° W Thank you