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- 8 Diametral Pitch
- 20 Teeth
- 14.5 ° Pressure Angle
- 2 1/2" Pitch Diameter
- 1" 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
| Right / Left Hand | Left Hand |
| Outside Dia. | 2.68 in |
| Pitch Diameter | 2.5 in |
| Hub Dia. | 2 in |
| Keyway Size | 1/4 x 1/8 |
| Bore Size | 1 in |
| Length Through Bore | 1.25 in |
| Pressure Angle | 14.5 ° |
| Keyway | With Keyway, w/o Setscrew |
| Diametral Pitch | 8 |
| Material | Bronze |
| No. of Teeth | 20 |
| Hardened Teeth | With Hardened Teeth |
| Weight | 1.001 LB |
| EAN or UPC | 781711183748 |
