Steel sprockets designed for WTM2535G-M/BTC8H-M/BTM8H-M/TTUPS-H Plastic Modular Chains.
- We offer a line-up of 12T and 16T models.
- We offer a line-up of sprockets with pilot bores, several bore diameters, and keyway finishing as standard items.
- Sprockets for Top Chains
Sprockets for BTC(M)8H-M Chain
1. Line-up
Bore/Keyway Finishing Type
| Type | Solid Sprockets | ||
|---|---|---|---|
| Model no. | BT8H-12T25-CS | BT8H-12T30-CS | BT8H-16T30-CS |
| Applicable chains | WTM2535G-M/BTC8H-M/BTM8H-M/TTUPS-H | ||
| Shape |
 |
 |
 |
| Material | Machine-structural carbon steel | ||
| No. of teeth | 12 | 16 | |
| Bore diameter | φ25 | φ30 | |
- The teeth of all models are not hardened.
- Cannot be used with WT2505 Series and BTM8H (wide type).
- Sprockets can be also manufactured with other numbers of teeth and materials than noted above.
- Set screws are not included.
- Use a cold finished carbon steel bar for the shaft.
Pilot Bore Type
| Type | Solid Sprockets | |
|---|---|---|
| Model no. | BT8H-12T-CS | BT8H-16T-CS |
| Applicable chains | WTM2535G-M/BTC8H-M/BTM8H-M/TTUPS-H | |
| Shape |
 |
 |
| Material | Machine-structural carbon steel | |
| No. of teeth | 12 | 16 |
| Bore diameter | Pilot bore: φ15, Max. φ30 | Pilot bore: φ15, Max. φ50 |
- The teeth of all models are not hardened.
- Maximum bore diameter represents the general case. Bore diameters and key/keyway contact stress should be determined based on general mechanical design.
- Cannot be used with WT2505 (including M and G-M types), WT2506, or BTM8H (wide type).
- Sprockets can be also manufactured with other numbers of teeth and materials than noted above.
- Use a cold finished carbon steel bar for the shaft.
2. Model Numbering Example
| BT8H | - | 12T | 30 | - | CS |
| (1) | (2) | (3) | (4) |
- (1) Type
- (2) No. of teeth: 12T = 12, 16T = 16
- (3) Bore diameter: mm Blank = Pilot bore, 25=φ25, 30=φ30,
- (4) Materail: Carbon steel
