BSP Taps, "G" Series British Standard Pipe Parallel
BSPP Tap HSS (High Speed Steel)
55 degree Whitworth Thread Form. Whitworth Pipe Threads are used almost exclusively by countries which are otherwise on the metric system.
"G" Series British Standard Pipe - Parallel ( Straight ) BSP or BSPF Also referred to as British Gas, British Pipe Parallel or Parallel Fastening thread. Various Symbols: BSP, BSPP, BSSPI, BSPF, BSPG, PS, R, G.
We have the largest selection in stock. Taps are a bottoming style.
Please contact us for special sizes
Suggested tap drill sizes for BSPP taps
|
Nominal Size |
T P I |
Major Diameter |
Tapping Drill Size |
|
|
|
|
BSPP |
|
|
|
|
|
|
1/16 |
28 |
0.304 |
6.6 mm |
|
Letter drill G |
|||
|
1/8 |
28 |
0.383 |
8.8 mm |
|
11/32 inch |
|||
|
1/4 |
19 |
0.518 |
11.8 mm |
|
29/64" |
|||
|
3/8 |
19 |
0.656 |
15.25 mm |
|
19/32" |
|||
|
1/2 |
14 |
0.825 |
19.00 mm |
|
|
|||
|
5/8 |
14 |
0.902 |
21 mm |
|
53/64" |
|||
|
3/4 |
14 |
1.041 |
24.5 mm |
|
31/32" |
|||
|
7/8 |
14 |
1.189 |
28.25 mm |
|
1-7/64" |
|||
|
1 inch |
11 |
1.309 |
30.75 mm |
|
1-13/64" |
|||
|
1-1/4" |
11 |
1.650 |
39.50 mm |
|
1-35/64" |
|||
|
1-1/2" |
11 |
1.882 |
45.5 mm |
|
1-25/32" |
|||
|
1-3/4" |
11 |
2.116 |
51.00 mm |
|
2" |
|||
|
2" |
11 |
2.347 |
57 mm |
|
2-1/4" |
