All high speed drills made in America to meet aircraft standard specifications. Premium quality shock resistant high impact steel.
| JOBBER SIZE | STUB SIZE | COBALT SIZE | |||
| JF 1/16″ | JF 19/64″ | SF 1/16″ | SF 19/64″ | JC 1/16″ | JC 19/64″ |
| JF 5/64″ | JF 5/16″ | SF 5/64″ | SF 5/16″ | JC 5/64″ | JC 5/16″ |
| JF 3/32″ | JF 21/64″ | SF 3/32″ | SF 21/64″ | JC 3/32″ | JC 21/64″ |
| JF 7/64″ | JF 11/32″ | SF 7/64″ | SF 11/32″ | JC 7/64″ | JC 11/32″ |
| JF 1/8″ | JF 23/64″ | SF 1/8″ | SF 23/64″ | JC 1/8″ | JC 23/64″ |
| JF 9/64″ | JF 3/8″ | SF 9/64″ | SF 3/8″ | JC 9/64″ | JC 3/8″ |
| JF 5/32″ | JF 25/64″ | SF 5/32″ | SF 25/64″ | JC 5/32″ | JC 25/64″ |
| JF 11/64″ | JF 13/32″ | SF 11/64″ | SF 13/32″ | JC 11/64″ | JC 13/32″ |
| JF 3/16″ | JF 27/64″ | SF 3/16″ | SF 27/64″ | JC 3/16″ | JC 27/64″ |
| JF 13/64″ | JF 7/16″ | SF 13/64″ | SF 7/16″ | JC 13/64″ | JC 7/16″ |
| JF 7/32″ | JF 29/64″ | SF 7/32″ | SF 29/64″ | JC 7/32″ | JC 29/64″ |
| JF 15/64″ | JF 15/32″ | SF 15/64″ | SF 15/32″ | JC 15/64″ | JC 15/32″ |
| JF 1/4″ | JF 31/64″ | SF 1/4″ | SF 31/64″ | JC 1/4″ | JC 31/64″ |
| JF 17/64″ | JF 1/2″ | SF 17/64″ | SF 1/2″ | JC 17/64″ | JC 1/2″ |
| JF 9/32″ | SF 9/32″ | JC 9/32″ | |||