BSP Threads - Whitworth

 

The BSP thread (British Standard Pipe) is also known as a pipe thread in Europe.

 

BSP Threads Chart

Thread

Sizes

Thread Pitch

(mm)

Outer Diameter

(mm)

Core Hole Diameter

(mm)

Gear number

pro Inch

 G 1/8" 0,907 9,73 8,80 28
 G 1/4" 1,337 13,16 11,80 19
 G 3/8" 1,337 16,66 15,25 19
 G 1/2" 1,814  20,95 19,00 14
 G 5/8" 1,814 22,91 21,00 14
 G 3/4" 1,814 26,44 24,50 14
 G 7/8" 1,814 30,20 28,25 14
 G 1" 2,309 33,25 30,75 11
 G 1 1/8" 2,309 37,90 35,30 11
 G 1 1/4" 2,309 41,91 39,25 11
 G 1 3/8" 2,309 44,32 41,70 11
 G 1 1/2" 2,309 47,80 45,25 11
 G 1 3/4" 2,309 53,74 51,10 11
 G 2" 2,309 59,61 57,00 11
 G 2 1/4" 2,309 65,71 63,10 11
 G 2 1/2" 2,309 75,18 72,60 11
 G 2 3/4" 2,309 81,53 78,90 11
 G 3" 2,309 87,88 85,30 11
 G 3 1/4" 2,309 93,98 91,50 11
 G 3 1/2" 2,309 100,33 97,70 11
 G 3 3/4" 2,309 106,68 104,00 11
 G 4" 2,309 113,03 110,40 11

* All information without guarantee.

Tip !

Pipe thread Sealing cord or sealing tape.