BGS 70329 Screw and Nut Extractor Set with Left Cutting Drill 2 18 mm 49 pcs.

compact set of unscrewing tools for different applications | for unscrewing stripped bolts, studs and nuts with defective drive heads | unscrewers are fixed to the sheared off bolt head by simple pre-drilling and are easily unscrewed | sharp helical grooves bite into stuck or defective screws, nuts and bolts and unscrew them scope of delivery: 13 left-hand extractors for nuts and screws with damaged screw head | drive profile: internal square | drive profile size: 10 mm (3/8") | sizes: 1/4", 5/16" (8 mm), 3/8", 10 mm, 7/16" (11 mm), 12 mm, 1/2", 13 mm, 9/16" (14 mm), 5/8" (16 mm), 17 mm, 11/16", 3/4" (18 mm) 13 left-hand extractors for stripped screws and stud bolts: drive profile: external hexagon | sizes: 1/8" (3.2 mm), 5/32" (4.0 mm), 3/16" (4.8 mm), 7/32" (5.5 mm), 1/4" (6.5 mm), 9/32" (7.0 mm), 5/16" (8.0 mm), 11/32" (8.5 mm), 3/8" (9.5 mm), 13/32" (10.5 mm), 7/16" (11 mm), 15/32" (12 mm), 1/2" (13 mm) 6 left-hand extractors for unscrewing broken screws and studs: drive profile: external square | sizes: #1, #2, #3, #4, #5, #6 | 1 electric drill adaptor, 6.3 mm (1/4") drive / 10 mm (3/8") 16 HSS-left-hand drills, round shaft, TiN coated, left hand cutting: sizes: 5/64" (2 mm), 7/64" (3 mm), 1/8" (3.2 mm), 5/32"(4 mm), 3/16" (4.8 mm), 7/32" (5.5 mm), 1/4" (6.5 mm), 9/32" (7 mm), 19/64" (7.5 mm), 5/16" (8 mm), 11/32" (8.5 mm), 3/8" (9.5 mm), 13/32" (10.5 mm), 7/16" (11 mm), 15/32" (12 mm), 1/2" (13 mm)