Explore the Engineering Database more efficiently by signing up for free. Sign up free
Fr-12-20 — Flat Root
- Spline Type
- Flat Root
- Record Id
- Fr 12 20
- Base Circle Dia in (in)
- 1.4434
- Circular Pitch in (in)
- 0.2618
- Diametral Pitch
- 12/24
- Fit Class
- Side Fit
- Major Dia Ext in (in)
- 1.75
- Major Dia Int in (in)
- 1.75
- Minor Dia Ext in (in)
- 1.5417
- Minor Dia Int in (in)
- 1.5833
- Module Equiv (mm)
- 2.117
- Num Teeth (count)
- 20
- Pitch Dia in (in)
- 1.6667
- Pitch Dia MM (mm)
- 42.333
- Pressure Angle Deg (deg)
- 30
- Root Type
- Flat
- Standard
- ANSI B92.1-1970 R1993 / Machinery's Handbook 31ST Ed.
- Tooth Thickness in (in)
- 0.1309
Source: ANSI B92.1-1970 R1993 / Machinery's Handbook 31st Ed.