Weld on hubs are suitable for use in many applications, such as welding to plate steel sprockets. They are made of steel, taper bored, drilled, and tapped to accept various bushings.
| Bore Type | QD Bushed |
| Bushing Size | SH |
| Bushing Type | QD |
| Finish/Coating | Grey Painted Protective Coating |
| Hub Style | JA |
| k in | 1.465 in |
| Length Through Bore | 1.313 in |
| OD | 3.756 in |
| Series | 8M HTD Timing Pulleys |
| Sheave Construction | Solid With Flanges |
| Sheave/Pulley Type | C1F |
| Thread Dia | 0.42" |
| Type | HTD Timing Pulleys |