BGS 6780 Screw Extractor & Left Cutting Drill Set HSS titanium nitrated 2 7.5 mm 10 pcs.

for removing broken studs and screws with right-hand thread contains titanium coated left-hand drills, it is possible to turn out the broken bolt when Drilling screw extractors have a spiral groove with left twist, they automatically dig deeper into the broken threaded bolt when turning scope of delivery: 5 spiral extractors | 5 HSS left cutting drills | sizes: 2 mm (5/64") - 2.8 mm (7/64") - 4 mm (5/32") - 6.4 mm (1/4") - 7.5 mm (19/64"), Manufacturer: BGS