#6 Spiral Screw Extractor

#6 spiral flute screw extractor. Removes bolt or screw size 5/8"-7/8". Removes pipe 3/8". Use drill bit size 13/32", suggested left hand cobalt drill bits. Screw extractors are used when a screw or bolt has broken off while still in the fastening hole. Aggressively removes bolts and screws.