Set of 8 screw extractors - Knipex

Set of 8 screw extractors. For damage-free extraction of broken threaded bolts or screws from threaded holes. How does it work? : Pre-drill the screw to be removed using the appropriate reamer. Push the extractor into the bore until the screw loosens and can be extracted. ATTENTION, only suitable for right-hand threads Technical data (per size) : Size 1 2 3 4 5 6 7 8 Tip d (mm) 1,75 2,20 3,30 4,75 6,35 9,50 12,70 17,50 Stem d (mm) 3,6 5 6,5 8,8 11 15 19 24 Length (mm) 50 57 64 71 78 85 92 100 For screws min. M3 M6 M8 M11 M14 M18 M24 M33 For screws max. M6 M8 M11 M14 M18 M24 M33 M45 Alà©seur d (mm) min. 2 3 4 6 7 11 14,5 20 Alà©seur d (mm) max. 3,5 4,5 6 8,5 11 14,5 19 23,5 Weight 3 7 13 28 48 96 165 296