Insert Design Part No.: 302 0 200 50 Thread Size: M20 Pitch (internal): 2.50 Pitch (external) P: 1.50 Diameter (external) B: 26.00 Length L: 27.00 Hole Design Hole Diameter C (Plastics): 24.9-25.2 Hole Diameter C (Alloys): 25.2-25.4 Wall Thickness W: 10.40 Through Hole A1: 27.00 Blind Hole B1: 32.00