• Reverse thread design with dual tips quickly remove stripped or broken screws and broken off bolts without damaging surrounding area
• Upgraded quality M2 6542 tungsten alloy is harder than most extractors, allowing removal of far more fasteners including stainless, hardened steel and brass up to 12.9 tensile strength
• 1/4 in. and 5/16 in. hex shank screw extractors work with any adjustable chuck drill
• Designed to drill out and remove even the most stubborn stripped, damaged, embedded, rusted or painted-over screws and bolts
• Quick and easy operation: determine the proper size bit to use, and drill a hole with the fluted cutting end. Flip the bit to the tapered threaded end, and slowly reverse the damaged fastener out
• Sizes included work with the following size damaged fasteners: #1 (#4-7 screws; #10/5mm bolts), #2 (#8-10 screws; 1/4 in./6mm bolts), #3 (#11-14 screws; 5/16 in./8mm bolts), #4 (16-24 screws; 3/8 in./10/ bolts)
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