Insert Design Part No.: 6270M12 Thread Size: M12 Pitch (internal): 1.75 Diameter (external) B: 15.95 Head Thickness T: 0.75 Head Diameter D: 16.10 Length L: 20.00 Hole Design Hole Diameter C (Plastics): 15.0-15.5 Hole Diameter C (Alloys): 15.45-15.65 Hole Depth Y: 22.00 Boss Diameter X: 27.40 Wall Thickness W: 5.95