Insert Design Part No.: 6270M4 Thread Size: M4 Pitch (internal): 0.70 Diameter (external) B: 6.31 Head Thickness T: 0.38 Head Diameter D: 6.30 Length L: 8.40 Hole Design Hole Diameter C (Plastics): 5.80-6.10 Hole Diameter C (Alloys): 5.95-6.15 Hole Depth Y: 9.30 Boss Diameter X: 10.70 Wall Thickness W: 2.30