| |
BSPT (Rc)
(British Standard Pipe Taper)
|
|
| |
SIZE
|
THREADS
per INCH
|
TAP
DRILL
|
WITH reamer
(mm)
|
WITHOUT
reamer (mm)
|
1/8"
|
28
|
8.00
|
8.40
|
1/4"
|
19
|
10.80
|
11.20
|
3/8"
|
19
|
14.25
|
14.75
|
1/2"
|
14
|
17.75
|
18.25
|
3/4"
|
14
|
23.00
|
23.75
|
1"
|
11
|
29.00
|
30.00
|
1.1/4"
|
11
|
37.50
|
38.50
|
1.1/2"
|
11
|
43.50
|
44.50
|
2"
|
11
|
55.00
|
56.00
|
|
|
| |
|
|
|
|
