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What are the parts of a straight fluted screw extractor?

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Screw extractors, bolt grips, carpenter, plumber, builder, DIYer, wonkee donkee.

Straight fluted extractor head

Screw extractors, bolt grips, carpenter, plumber, builder, DIYer, wonkee donkee. The square head of a straight fluted extractor allows it to be used in a drill. It must be a 4 jaw drill chuck as a 3 jaw chuck will not accept a square shank.

Tools such as a “T” handle wrench, bar type wrench, adjustable wrench or vice grip pliers can connect to a square head.

Screw extractors, bolt grips, carpenter, plumber, builder, DIYer, wonkee donkee. Straight fluted extractors are also available with a triangular shaped head for use in 3 jaw drill chucks.

Straight fluted extractor shaft

Screw extractors, bolt grips, carpenter, plumber, builder, DIYer, wonkee donkee. Straight fluted screw extractors also have a shaft, usually made from high carbon steel that has been tempered and heat treated for increased strength, to help withstand wear and tear while extracting.

Straight fluted extractor flutes

Screw extractors, bolt grips, carpenter, plumber, builder, DIYer, wonkee donkee. The straight fluted extractor has long, gradually tapered flutes so that it can be tapped into a pre-drilled hole in a damaged bolt, screw or stud. It can loosen left hand threads when turned clockwise and right hand threads when turned anti-clockwise. The flutes dig into the damaged object no matter which way you turn the extractor.