10Pieces HSS Twist Drill Bits for Daily Home Maintenance Tools Drill Bits
How to use the broken screw: use the fried dough twist drill to drill the bottom hole, and then use extractor to unscrew it. Features: High speed steel HSS4241 titanium plated fried dough twist drill Size: 5/16 1/4in, 3/16 1/8in, 3/32“.