Square flute screw extractors are used when a screw or bolt has broken off while still in the fastening hole. Ideal for thin wall extractions. Will not spread the wall as it extracts. Thin-gentle removal.

Product Features:

• Easily removes 7/16-Inch broken bolts and screws
• Use 15/64-Inch left handed drill bit to drill hole this will help loosed bit
• Ideal for thin wall extractions
• Will not spread the wall as it extracts