Different edges finishes
Edge finishes
| Slit edges | Slit / deburred | Machined / deburred | Square edges | Round edges |
 |  |  |  |  |
| Slitting leaves a straight edge without excessive burr ASTM : Edge N°3 Burr height : Normal ≤ 10% of thickness Precision ≤ 5% of thickness | After slitting, the corners are mechanically removed ASTM : Edge N°3 | After slitting, the 4 corners are machined ASTM : Edge N°5 | After slitting, the 4 edges are machined to remove all burrs ASTM : Edge N°1 | After slitting, the edges are mechanically rounded ASTM : Edge N°1 |