BSPT Taps, "Rc" Series British Standard Taper Pipe
BSPT Taps 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.
"Rc: Series British Standard Pipe - Taper- BSPT Also referred to as British Standard Taper Pipe or Pipe Taper, or Conical Thread. 1:16 Tapered Thread. Taper is 3/4" taper per foot ( 1 in 16 on the diameter) Various Symbols: BSPT, BSPTr, PT, KR, Rc.
We have the largest selection in stock.
Please contact us for special sizes
Suggested tap drill sizes for BSPT taps
|
Nominal Size |
T P I |
Major Diameter |
Tapping Drill Size |
|
|
|
|
BSPT |
|
|
|
|
|
|
1/16 |
28 |
0.304 |
|
|
|
|||
|
1/8 |
28 |
0.383 |
8.4mm |
|
21/64" |
|||
|
1/4 |
19 |
0.518 |
11.2mm |
|
7/16" |
|||
|
3/8 |
19 |
0.656 |
14.75mm |
|
37/64" |
|||
|
1/2 |
14 |
0.825 |
18.25mm |
|
23/32" |
|||
|
5/8 |
14 |
0.902 |
|
|
|
|||
|
3/4 |
14 |
1.041 |
23.75mm |
|
15/16" |
|||
|
7/8 |
14 |
1.189 |
|
|
|
|||
|
1 inch |
11 |
1.309 |
30mm |
|
1-11/64" |
|||
|
1-1/4" |
11 |
1.650 |
38.5mm |
|
1-33/64" |
|||
|
1-1/2" |
11 |
1.882 |
44.5mm |
|
1-3/4" |
|||
|
1-3/4" |
11 |
2.116 |
|
|
|
|||
|
2" |
11 |
2.347 |
56mm |
|
2-3/16" |
