Belt, Timing, HiTorque Large Bench Mill, Low Speed

- Timing belt, low speed, high torque
- For speeds from 100 - 1800 RPM
- HiTorque large bench mill
- Fits SIEG SX3.5 bench mills
- Belt classification: 3M-420-15
Timing belt for the HiTorque large bench mill and SIEG SX3.5 bench mills. This is the low speed belt for spindle speeds between 100 - 1800 RPM. It allows for more torque at the lower speeds. For speeds between 280 - 5000 RPM, use the poly-v belt.
See Used On tab for reference to machines using this part and the corresponding drawing number.
This belt is marked 3M-420 and is 15 mm wide.
| Desigination | 420-3M-15 |
| Belt Length | 16.5" (420 mm) |
| Belt Width | 0.6" (15 mm) |
| Teeth Distance to Center | 0.1" (3 mm) |
| Number of Teeth | 140 |
In your instruction manual, this part appears on the parts list as:
Lubrication Kit, Lathe and Mill
Tool Bit, 5/16" x 2-1/2", M2 HSS
