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64 Diametral Pitch Ratings
20° Pressure Angle
1/8" Face
| Number of Teeth | Pitch Diameter | Outside Diameter | Stock Bore | Hub Diameter | Hub Projection | Style | Catalog Number | |
| Brass | Steel | |||||||
| 16 | .250 | .2812 | 1/8 | 3/16 | 3/16 | Plain | TBT6416 | TST6416 |
| 18 | .281 | .3125 | 1/8 | 7/32 | 3/16 | Plain | TBT6418 | TST6418 |
| 20 | .3125 | .3437 | 1/8 | 1/4 | 3/16 | Plain | TBT6420 | TST6420 |
| 24 | .375 | .4062 | 1/8 | 9/32 | 3/16 | Plain | TBT6424 | TST6424 |
| 28 | .4375 | .4687 | 1/8 | 11/32 | 3/16 | Plain | TBT6428 | TST6428 |
| 32 | .500 | .5312 | 3/16 | 3/8 | 1/4 | Plain | TBT6432 | TST6432 |
| 36 | .5625 | .5937 | 3/16 | 7/16 | 1/4 | Plain | TBT6436 | TST6436 |
| 40 | .625 | .6562 | 3/16 | 7/16 | 1/4 | Plain | TBT6440 | TST6440 |
| 44 | .6875 | .7187 | 3/16 | 1/2 | 1/4 | Plain | TBT6444 | TST6444 |
| 48 | .750 | .7812 | 3/16 | 1/2 | 1/4 | Plain | TBT6448 | TST6448 |
| 52 | .8125 | .8437 | 3/16 | 9/16 | 1/4 | Plain | TBT6452 | - - - - - |
| 56 | .875 | .9062 | 3/16 | 9/16 | 1/4 | Plain | TBT6456 | - - - - - |
| 60 | .9375 | .9687 | 3/16 | 5/8 | 1/4 | Plain | TBT6460 | - - - - - |
| 64 | 1.000 | 1.0312 | 1/4 | 5/8 | 1/4 | Plain | TBT6464 | - - - - - |
| 72 | 1.125 | 1.1562 | 1/4 | 11/16 | 1/4 | Plain | TBT6472 | - - - - - |
| 80 | 1.250 | 1.2812 | 1/4 | 11/16 | 1/4 | Plain | TBT6480 | - - - - - |
| 88 | 1.375 | 1.4062 | 1/4 | 3/4 | 1/4 | Plain | TBT6488 | - - - - - |
| 96 | 1.500 | 1.5312 | 1/4 | 3/4 | 1/4 | Plain | TBT6496 | - - - - - |
| 112 | 1.750 | 1.7812 | 1/4 | 13/16 | 1/4 | Plain | TBT64112 | - - - - - |
| 128 | 2.000 | 2.0312 | 1/4 | 7/8 | 1/4 | Plain | TBT64128 | - - - - - |
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