Number of Teeth
"12,000-Series"
Dia. (inches) |
Dia. in mm |
No. of Teeth |
| 7/16 - 1/2 | 12 - 13mm |
3 |
| 9/16 - 13/16 | 14 - 21mm |
4 |
| 7/8 - 1-5/16 | 22 - 34mm |
6 |
| 1-3/8 - 1-5/8 | 35 - 42mm |
8 |
| 1-11/16 - 2-3/8 | 43 - 60mm |
10 |
| 2-7/16 - 3-1/16 | NA |
6 |
"42/43,000-Series"
"22/23,000-Series"
Dia. (inches) |
No. of Teeth |
| 3/4 - 13/16 | 4 |
| 7/8 - 15/16 | 5 |
| 1 - 1-1/2 | 6 |
| 1-9/16 - 1-7/8 | 8 |
| 1-15/16 - 3-1/16 | 10 |
"53/54/56,000-Series"
"33/34/36,000-Series"
"63/64/66,000-Series"
Dia. (inches) |
Dia. in mm |
No. of Teeth |
| 3/4 - 13/16 | 20mm |
4 |
| 7/8 - 15/16 | 21 -23mm |
5 |
| 1 - 1-1/2 | 24 - 38mm |
6 |
| 1-9/16 - 1-7/8 | 39 - 47mm |
8 |
| 1-15/16 - 2-3/8 | 48 - 60mm |
10 |
| 2-7/16 - 4 | 61 - 78mm |
12 |
 |