Bosch Black Oxide Screw Extractors use a spiral fluted design to help you back out a broken-off bolt or screw. An assortment of six drill bits are included in this set to hollow-out fasteners of varying sizes, after which an extractor can be inserted and used with a tap wrench or socket wrench (not included) to spin the hardware out counterclockwise.
- Drill bits included: 13/32 in., 7/64 in., 1/4 in., 5/32 in., 7/64 in. and 5/64 in.
- Includes #1-#6 spiral extractors
- Constructed with heat-treated carbon steel for strength and durability
- Laser-etched marking ensures size identification won't wear off
- Black oxide coating provides corrosion resistance