Toshiba Qosmio Personal Computer X500 - Manual (Page 166)

Replacement Procedures
Qosmio X500 Maintenance Manual (960-Q08) 4-7
Screw Notation
To make maintenance of the computer easier, markings of the kinds of the screws including
the types and lengths are indicated on the computer body.
Format:
Screw shape + Screw length (mm)
Screw shape
B: Bind screw
F: Thin head screw
S: Super thin head screw
T: Tapping screw
U: Other screws (Unique screws: pan head, stud, etc.)
Example: B6 … 6mm bind screw