Pictures And Drawings Of Threaded Plugs And Bushings
Square Head Plug
Hexagon Plug
Round Head Plug
Hexagon Bushing

 Flush Bushing
         
  　    
Dimension Datas
　
Nominal Pipe Size 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4
A 1 3/8 1 5/8 1 5/8 1 3/4 1 3/4 2 2 2 2 1/2 2 3/4 2 3/4 3
B 13/32 17/32 11/16 27/32 1 1/16 1 5/16 1 11/16 1 29/32 2 3/8 2 7/8 3 1/2 4 1/2
C* 7/16 5/8 11/16 7/8 1 1/16 1 7/16 1 13/16 2 2 1/2 3 3 3/4 4 5/8
D 1/4 1/4 5/16 5/16 3/8 3/8 9/16 5/8 11/16 3/4 13/16 1 1/4
E 7/16 1/2 9/16 11/16 3/4 27/32 7/8 15/16 1 1 1/4 1 9/16 1 21/32
F 9/32 3/8 7/16 9/16 5/8 13/16 15/16 1 1/8 1 5/16 1 1/2 1 11/16 2 1/2
G 1/4 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 1 1/4
H 3/8 7/16 1/2 9/16 5/8 3/4 13/16 13/16 7/8 1 1/16 1 1/8 1 3/8
J*   5/8 11/16 7/8 1 1/16 1 7/16 1 13/16 2 2 1/2 3 3 3/4 4 5/8
K   3/16 3/16 3/16 1/4 1/4 3/8 3/8 3/8 1/2 13/16 1 1/4
L   1/2 9/16 11/16 3/4 27/32 7/8 15/16 1 1 1/4 1 9/16 1 21/32
M   7/16 1/2 9/16 5/8 3/4 13/16 13/16 7/8 1 1/16 1 1/8 1 1/4
N 3/8 7/16 1/2 9/16 5/8 3/4 13/16 13/16 7/8 1 1/16 1 1/8 1 1/4
*Dimension J for Hex Head Bushing and dimension C for Hex Head Plug are the same.