To Fit NPT Thread size: 1/2 inch. Knurled Head NPT Threaded Plugs. Knurled head design allows the user to install or remove these by hand easier. Used to protect NPT threads against contaminants and moisture.
- Material: High-Density Polyethylene
- Thread Size (NPT) : 1/2”
- A: 0.5 inches , 12.7 mm
- B: 1.12 inches , 28.45 mm
- C: 0.25 inches , 6.35mm
- D: 0.94 inches , 23.88 mm