Made in Japan
Manufacturer: Eisen Co., Ltd.
Model: EDP Series
About the Series
Precision and specifications
Outside diameter, U and V tolerances | Roundness and diameter variation | Length mm | Hardness HRC |
---|
±1.5μm | 1.3μm | 40 / 50 | 58+ |
When you would like to know the appropriate pin gauge diameter, please contact us with the following information:
- For internal or external gears
- Module or diametral pitch
- Number of teeth
- Pressure angle
- Dislocation Coefficient
- Twist angle
Over-pin measurement method

Series Details
EDP-1 Series
Module mm | Internal Gear Pins | External Gear Pins | Price (yen) |
---|
Diameter (V) x Notch Height (V1) mm | Diameter (U) mm |
---|
0.5 | 1.00×0.84 | 0.90 | 59,500 |
1.0 | 2.00×1.68 | 1.80 |
1.25 | 2.50×2.10 | 2.25 |
| 2.40×2.00 (Note) | – |
1.667 | 3.333 x 2.80 | 3.00 |
2.5 | 5.00×4.26 | 4.50 |
5.0 | 10.00×8.40 | 9.00 |
10.0 | 20.00× 16.80 | 18.00 |
- (Note): Use when the module is 1.25 and the number of teeth is 6, 7, 8, 9, 10 or 11.
- *We also sell individual pieces. We can also manufacture special sizes.
EDP-2 Series
Module mm | Internal Gear Pins | External Gear Pins | Price (yen) |
---|
Diameter (V) x Notch Height (V1) mm | Diameter (U) mm |
---|
0.75 | 1.50 x 1.20 | 1.35 | 61,500 |
| ――― | 1.40 (Note 1) |
1.5 | 3.00 × 2.52 | 2.70 |
2.0 | 4.00 x 3.36 | 3.60 |
3.0 | 6.00 × 5.04 | 5.40 |
3.75 | 7.50 x 6.30 | 6.75 |
| ――― | 7.00 (Note 2) |
4.5 | 9.00 x 7.56 | 8.10 |
6.0 | 12.00 × 10.08 | 10.80 |
7.5 | 15.00 x 12.60 | 13.50 |
- (Note 1): Use when the module is 0.75 and the number of teeth is 8.
- (Note 2): Use when the module is 3.75 and the number of teeth is 6, 7, 8, 9, 10 or 11.
- *We also sell individual pieces. We can also manufacture special sizes.