#4 spiral flute screw extractor. removes bolt or screw size 9/32"-3/8". removes pipe 1/8". use drill bit size 1/4", 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.

• Screw extractors are used when a screw or bolt has broken off while still in the fastening hole
• Removes bolt or screw size 9/32-Inch to 3/8-Inch
• Removes 1/8-Inch pipe
• Use 1/4-Inch drill size