![](/images/new-backgrounds/1240550/24055021x1.webp)
Gear Settings for Various Thread Sizes
Threads |
| Stud Gear Box |
| ||
Per Inch | A | B | C |
| D |
12 | 40 |
|
|
| 30 |
13 | 40 | 65 | 60 |
| 30 |
14 | 40 |
|
|
| 35 |
16 | 40 |
|
|
| 40 |
18 | 40 |
|
|
| 45 |
19 | 40 | 50 | 60 |
| 57 |
20 | 40 |
|
|
| 50 |
22 | 40 |
|
|
| 55 |
24 | 40 |
|
|
| 60 |
26 | 40 |
|
|
| 65 |
28 | 20 |
|
|
| 35 |
32 | 20 |
|
|
| 40 |
36 | 20 |
|
|
| 45 |
Threads |
|
| Stud Gear Box |
|
| ||
|
|
|
|
|
|
| |
Per Inch | A | B | C | D | |||
38 | 20 | 50 | 60 |
| 57 |
| |
40 | 20 |
|
|
| 50 |
| |
44 | 20 |
|
|
| 55 |
| |
48 | 20 |
|
|
| 60 |
| |
52 | 20 |
|
|
| 65 |
| |
56 | 20 | 35 | 30 |
| 60 |
| |
64 | 20 | 40 | 20 |
| 40 |
| |
72 | 20 | 45 | 20 |
| 40 |
| |
76 | 20 | 50 | 30 |
| 57 |
| |
80 | 20 | 50 | 20 |
| 40 |
| |
88 | 20 | 55 | 20 |
| 40 |
| |
96 | 20 | 60 | 20 |
| 40 |
| |
104 | 20 | 65 | 20 |
| 40 |
|
Example: To cut 12 threads per inch (see illustration below), use 40T in position A, 30T in position D, and put any other gear is position B to connect A and D.
A
B
D
A
B
D
A
B C
A
C B
D
D
Example: To cut 38 threads per inch (see illustration above), use 20T in position A, 57T in position D, 50T in position B, and 60T in position C.
SKU #33684 | Page 11 |