... 4T 3" 76.2 3-1/4" 82.5 2-1/2" 63.5 90 Screw Joint 24x4x8 4T/3T 3" ... 76.2 3-1/4" 82.5 2-1/2" 63.5 97 Notch Joint 24x4x8 4T/6T 3" ... 76.2 3-1/4" 82.5 2. Segment Dry & Wet Core Drill BitsOuter Diameter (D ... 16", 18" 150, 200, 250, 350, 400, 450 3-1/5" 82 6", 8", 10", 14", 16", 18" 150, 200, 250 ... 14", 16", 18" 150, 200, 250, 350, 400, 450 5" 127 6", 8", 10", 14", 16", 18" 150, 200, ...