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:

• Spiral screw extractors are used when a screw or bolt has broken off while still in the fastening hole
• 6 Piece set includes NO 1, NO 2, NO 3, NO 4, NO 5 and NO 6 screw extractors.
• Easily removes 3/32-Inch to 7/8-Inch broken bolts and screws
• Made of hardened tempered alloy steel