Powerbook G3 4327MB circa year 2000 Toshiba disk drive screw size

Perhaps to find a specialist source for exact 'replacement' may be possible

while some potential sources lost during pandemic; however they would

need to see actual hardware to match specifications & thread-pitch, etc.

An alternative should exist; however without a standard to go by, that is

a tall narrow order. Doubt if the repair parts sites could locate something.

There are 'those fix-it pages' with sets of replacement screws, that could,

This could be easier (for an interested individual) to acquire OEM hardware

from replacement sources. ie: complete 'set of screws' to hold Mac together.

Those with different length & certain threads. Similar issues; matching up.

Sorry to have no information, it is hard to match 'modern' replacements.

The name Toshiba may be a lead; maybe there are parts for that side.

Most times the screws for hard drive PCBs are usually a Torx (I think some really old drives use to be a mix of Phillips & Torx). The type & size can vary by manufacturer. My first guess would be a T6 since I didn't start using a T5 driver until much later with MBAirs and Retina models. I rarely removed PCBs from hard drives unless there was liquid damage so I really cannot be sure.