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| BSPT (Rc) British Standard Pipe Taper Threads,Pitch & Tap Drill Size Table |
|---|
Nominal
dia. | Threads
per
inch | Tap drill sizes
with Reamer
mm. | Tap drill sizes
without Reamer
mm. |
1/8
1/4
3/8
1/2
3/4
1
1.1/4
1.1/2
2 | 28
19
19
14
14
11
11
11
11 | 8.00
10.80
14.25
17.75
23.00
29.00
37.50
43.50
55.00 | 8.40
11.20
14.75
18.25
23.75
30.00
38.50
44.50
56.00 |
11 Different Types Of Taps To Select | Complete Guide
Hand Tapping | How To Guide
