1235 aluminum drill entry sheet
Haomei’s 1235 aluminum drilling entry sheet are manufactured with state-of-the-art equipment which matches international standards. Tight thickness tolerance, flatness, dimensional accuracy and grease-free surface and hardness optimal for burr-free drilling required in the manufacture of PCB are ensured.
| Alloy | Temper | Thickness（mm） | Width（mm） | Length（mm） |
| 1235 aluminum drilling entry sheet | O,H12,H14,H16,
H18,H19,H22,H24, H26,H28,H32,H34, H36,H38 |
0.2-4.5 | 100-2600 | 500-16000 |
