BRITISH STANDARD WHITWORTH - (BSW 55° THREAD ANGLE)
Taper
Used to provide a quick & easy start, but this will not cut the thread down to the bottom of the hole.
Second / Starter
Used to increase the size of cut.
Bottom / Plug
Used for follow through right to the bottom to obtain full depth of thread.
| Code |
Nominal Size |
TPI |
| Inch | (Thread per Inch) | |
| 500-03-001 |
1/16" |
60 |
| 500-03-002 |
3/32" |
48 |
| 500-03-003 |
1/8" |
40 |
| 500-03-004 |
5/32" |
32 |
| 500-03-005 |
3/16" |
24 |
| 500-03-006 |
7/32" |
24 |
| 500-03-007 |
1/4" |
20 |
| 500-03-008 |
9/32" |
20 |
| 500-03-009 |
5/16" |
18 |
| 500-03-010 |
3/8" |
16 |
| 500-03-011 |
7/16" |
14 |
| 500-03-012 |
1/2" |
12 |
| 500-03-013 |
9/16" |
12 |
| 500-03-014 |
5/8" |
11 |
| 500-03-015 |
11/16" |
11 |
| 500-03-016 |
3/4" |
10 |
| 500-03-017 |
13/16" |
10 |
| 500-03-018 |
7/8" |
9 |
| 500-03-019 |
15/16" |
9 |
| 500-03-020 |
1" |
8 |
| 500-03-021 |
1-1/8" |
7 |
| 500-03-022 |
1-1/4" |
7 |
| 500-03-023 |
1-3/8" |
6 |
| 500-03-024 |
1-1/2" |
6 |
| 500-03-025 |
1-3/4" |
5 |
| 500-03-026 |
2" | 4-1/2 |
Plot No.164, Udyog Vihar Phase-6, Gurugram - 122004, Haryana (India)
