TM 9-243
USING A SPIRAL TAPERED SCREW EXTRACTOR
NOTE
The following task is not the only
use of a screw extractor.
1 Drill a hole in the broken screw (1). Use a drill size
guide (2) if available. If one is not available, drill the
hole slightly smaller than the diameter of the
extractor. (When drilling larger screws it may be
necessary to drill a small pilot hole first, then a larger
hole).
2 Insert extractor (3) in the drilled hole.
3 Remove the broken screw by turning the extractor
counterclockwise. The extractor may be turned using
a tap wrench or open end wrench (4).
CARE OF EXTRACTORS
1.
Keep extractors clean and lightly oiled.
2.
Store in case provided or wrap individually to
protect the extracting edges.
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