Martin M1218 M Series Plain Reborable Straight Tooth Miter Gear, 12 Diametral Pitch, 20 deg Pressure Angle, 18 Teeth, 1-1/2 in Dia Pitch, 0.32 in W Face, 0.5 to 0.626 in Dia Bore, Steel
Martin stock miter gears are manufactured from 0.4 carbon steel. The "M" series is furnished unhardened with plain bore. The "HM" series is furnished hardened teeth with plain bore. The "HMK" series is furnished hardened teeth with keyway and setscrew for installation on the shaft. Hardened miter gears have approximately 50% more horsepower capacity and provide greater gear wear than untreated gears. All Martin miter gears are cut with the 20 deg pressure angle system.
Martin Straight Tooth Miter Gear, Plain Reborable, Series: M Series, 0.5 to 0.626 in Bore Dia, 1.618 in Outside Dia, 18 Teeth, 12 Diametral Pitch, 1-1/2 in, 0.32 in Face Width, No Screws, 1-1/4 in Hub Dia, 5/8 in Hub Projection, 1-1/64 in Overall Length, 20 deg Pressure Angle, Steel
| Hub Diameter | : | 1-1/4 in |
| Hub Projection | : | 5/8 in |
| Hub Type | : | No Screws |
| Outside Diameter | : | 1.618 in |
| Overall Length | : | 1-1/64 in |
| Series | : | M Series |
| Type | : | Plain Reborable |
| Diametral Pitch | : | 12 |
| Pressure Angle | : | 20 deg |
| Number of Teeth | : | 18 |
| Pitch Diameter | : | 1-1/2 in |
| Face Width | : | 0.32 in |
| Bore Diameter | : | 0.5 to 0.626 in |
| Material | : | Steel |