| Axle Size | Pilot Hole |
| Brand | Ingersoll |
| Concavity | Standard |
| Concavity Specification | 4.25 Inch |
| Diameter | 28 |
| Edge | Smooth |
| Hole Type | Single Punch |
| Material | Boron 15B26 |
| Rockwell Hardness | 46-52 Rockwell Scale |
| Thickness - Inch or Gauge | 1/4 Inch |
| Thickness - MM | 6.0 MM |
| UPC | 847810016803 |