Find a Service Center
- 20 Diametral Pitch
- 25 Teeth
- 14.5 ° Pressure Angle
- 1 1/4" Pitch Diameter
- 5/8" Nominal Bore
description
- All Boston Helicals are cut to the Transverse Diametral Pitch System, resulting in a higher normal Diametral Pitch System number.
features
- Smoother operating characteristics
- Increased contact ratio
- Greater load carrying capacity
- Improved tooth strength
- Parallel and 90° nonintersecting shaft applications
| Length Through Bore | 0.5625 in |
| Keyway Size | 1/8 x 1/16 |
| Material | Steel-Hardened-All |
| Hardened Teeth | With Hardened Teeth |
| Keyway | With Keyway, w/o Setscrew |
| Pitch Diameter | 1.25 in |
| Right / Left Hand | Right Hand |
| Diametral Pitch | 20 |
| Outside Dia. | 1.32 in |
| Pressure Angle | 14.5 ° |
| No. of Teeth | 25 |
| Bore Size | 0.625 in |
| Weight | 0.101 LB |
| EAN or UPC | 781711182482 |
