iMac (24-inch, M1, 2021, Four ports) Screws
Caution
- Save undamaged screws and cowlings for reassembly. 
- Note the location of screws and cowlings during removal. Then organize them to ensure that you reinstall them in the correct location. 
- Both overtightened screws and loose screws can damage parts. 
| 923-05173 Torx® T3 Antenna grounding clip (2)  | 923-05174 Torx T3 Antenna grounding clip (3)  | 923-05554 Torx Plus 10IP Stand (5) VESA mount adapter (7)  | 923-05555 Torx T3 USB-C board (4)  | 
| 923-05556 2.5 mm hex nut Logic board (4)  | 923-05557 Torx T3 Logic board cover (11)  | 923-05558 Torx T3 Fans (2)  | 923-05559 Torx T3 Adapter board connector cowling, low-speed flex cable (5)  | 
| 923-05560 Torx T3 Adapter board (5)  | 923-05561 Torx T3 Logic board connector cowling, low-speed flex cable (3)  | 923-05562 Torx T3 Cowling, USB-C board (4)  | 923-05573 2.5 mm hex nut Logic board (5)  | 
| 923-05574 Torx T3 Bluetooth and Wi-Fi antenna (3) Wi-Fi antenna (2)  | 923-05668 Torx T3 Audio board to antenna (1)  | 923-05669 Torx T3 Audio board (1)  | 923-05670 Torx T3 Audio board flex cable (1)  | 
| 923-05671 3.5 mm hex nut Audio board (1)  | 923-06114 Torx Plus 10IP Stand (2)  | — | — |