Insert Design Part No.: 302 0 180 50 Thread Size: M18 Pitch (internal): 2.50 Pitch (external) P: 1.50 Diameter (external) B: 22.00 Length L: 24.00 Hole Design Hole Diameter C (Plastics): 20.9-21.2 Hole Diameter C (Alloys): 21.2-21.4 Wall Thickness W: 8.80 Through Hole A1: 24.00 Blind Hole B1: 29.00