6-Piece Screw Extractor Set comprising of extractor sizes Nos. 1, 2, 3, 4, 5 and 6, with ranges between 3-22 mm.
Recommended for simple, low cost removal of broken screws, bolts etc. without damaging the threads of the component.
| Size of Screw or Bolt to Be Removed | Pre-Drill Size | Extractor Size |
| 3-6 mm | 2.5 mm | No. 1 |
| 6-8 mm | 3.5 mm | No. 2 |
| 8-11 mm | 4.5 mm | No. 3 |
| 11-14 mm | 6 mm | No. 4 |
| 14-18 mm | 8 mm | No. 5 |
| 18-22 mm | 12 mm | No. 6 |
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