Apple MacBook Pro 17-inch (original, Core 2 Duo, 2.4GHz, Late 2007 CTO, Early 2008, and Late 2008) - Manual (Page 204)

MacBook Pro 17-inch (original, Core 2 Duo, 2.4/2.6GHz, 2008) Views— 204
Screw Chart (continued)
922-8145 Phillips
M2 x 1, 1.25 head *
5.0
2.25
actual size
ExpressCard cage
922-8146 Phillips
M2 x 1, 2.25 head *
5.0
3.25
actual size
ExpressCard cage
922-8217 Phillips
M2 x 2.8, 1.25 head *
5.0
4.05
actual size
ExpressCard cage
*This screw specification is thread and shank only. See CAD diagram above it for full screw length (including head).