Sirah kothak ngidini extractor dipasang ing piranti tartamtu. Piranti kayata kunci T-handle, kunci bar, kunci luwes utawa tang vise bisa disambungake menyang sirah persegi.
Extractor shaft karo alur spiral
Poros digawe saka baja karbon lan nyambungake sirah menyang suling.
Extractor grooves karo spiral grooves
Grooves dirancang kanggo thread counterclockwise menyang sekrup utawa bolt. Nalika extractor diputer counterclockwise, grooves conical dig menyang meneng rusak, nyebabake loosen lan pungkasanipun dibusak.