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What
are the differences between the two types of drive - Phillips
and Posidriv®?
The front of George Wilder's RV8 was hit by a pigeon as he was
driving along a single carriageway. Fortunately on inspection
he found no damage to the paintwork, but needed to remove and
adjust the position of a headlight cowl on his RV8. He discovered
the fixing screws were not Phillips but Posidriv®. This
may not be a distinction which someone without an engineering
background may be aware so this note explains the differences
between the two types of drive so you will be able to make sure
you have the correct screwdriver for the job. (Jan
10)
The note describes the differences between the two types and
the advantages and disadvantages of |
each.
As this is a detailed note it is available on the V8 website
as a PDF document you can download.
Key point - Pozidriv screws can be turned by Phillips screwdrivers,
although they should not be used as they tend to ride out of
the recess and round the corners of both the tool and screw
recess, but Pozidriv drivers won't turn Phillips screws. |
