Spiral flute screw extractors. Screw extractors are used when a screw or bolt has broken off while still in the fastening hole. Aggressively removes screws or bolts. Use cobalt drill if broken off, use with cutting oil to keep cool. Product Features:Screw extractors are used when a screw or bolt has broken off while still in the fastening holeRemoves bolt or screw size 5/32-Inch to 7/32-Inch Use 7/64-Inch drill size
