| RD20 RD21 |
|---|
| FORM FITTING RADIUS DIESET RD20-RD21 IS USED PRIMARILY FOR SMALL RADIUS BENDS ON LIGHT GA. MATERIALS. |
| RD30 RD31 |
|---|
| LARGER RADII ARE FORMED WITH DIESET RD30-RD31 WITH GOOD RESULT. |
| RD60 |
|---|
| FORMING A RADIUS IN A SHEET HAVING A PRE-FORMED RETURN FLANGE IS ACCOMPLISHED BY DIESET RD60-RD61 |
| RD50 RD51 |
|---|
| OUTSIDE FLANGE ON A RADIUS BEND CAN BE FORMED IN ONE STROKE IF SPRING BACK IS NOT TOO GREAT. |