Internal
mm
Diameter
inch
Threads
per inch
4.76 3/16 32
5.56 7/32 28
6.35 1/4 26
7.94 5/16 22
9.52 3/8 20
11.11 7/16 18
 
Internal
mm
Diameter
inch
Threads
per inch
4.76 3/16 26
6.35 1/4 26
7.94 5/16 26
9.52 3/8 26
11.11 7/16 26
12.70 1/2 26
 
Internal
mm
Diameter
inch
Threads
per inch
9.73 1/8 28
 
Internal
mm
Diameter
inch
Threads
per inch
9.73 1/8 28
 
Internal
mm
Diameter
inch
Threads
per inch
10.27 1/8 27
 
Internal
mm
Diameter
inch
Threads
per inch
2.38 3/32 56
2.38 3/32 48
3.17 1/8 32
3.17 1/8 40
3.84 N°7 30
3.97 5/32 36
4.17 N°8 40
4.76 3/16 32
4.83 N°10 30
5.56 7/32 32
6.35 1/4 24
6.35 1/4 32
7.94 5/16 32
9.52 3/8 20
9.52 3/8 32
11.11 7/16 24
Internal
mm
Diameter
inch
Threads
per inch
2.18 N°2 64
2.52 N°3 56
2.85 N°4 48
3.18 N°5 44
3.51 N°6 40
4.17 N°8 36
4.83 N°10 32
5.49 N°12 28
6.35 1/4 28
7.94 5/16 24
9.52 3/8 24
11.11 7/16 20
12.70 1/2 20
Internal
mm
Diameter
inch
Threads
per inch
2.18 N°2 56
2.52 N°3 48
2.85 N°4 40
3.18 N°5 40
3.51 N°6 32
4.17 N°8 32
4.83 N°10 24
5.49 N°12 24
6.35 1/4 20
7.94 5/16 18
9.52 3/8 16
1" EXTERNAL DIAMETER
 
THREAD TYPES
Sizes Table
Internal
mm
Diameter
inch
Threads
per inch
2.38 3/32 48
3.17 1/8 40
3.97 5/32 32
4.76 3/16 24
5.56 7/32 24
6.35 1/4 20
7.94 5/16 18
9.52 3/8 16
   
PLEASE CONSULT FOR ANY THREAD OR DIES SIZES NOT SHOWN ON THIS LIST.