5Pcs Square Broken Damaged Screw Extractor Set Bolt Stud Square Drill Remover Tool

#1 (3-6mm),  #2 (6-8mm),  #3 (8-11mm),  #4 (11-14mm),  #5 (14-18mm) 

  When the bolt is broken due to corrosion, choose the appropriate size drill bit drill a hole in the center of the broken bolt according to the diameter of the bolt, then insert the corresponding screw extractor, with a hinge or hand wrench counter-clockwise, you can remove the broken bolt. In addition, Hexagon (or Hexagon) Hexagon head screw or unscrew bolt failure, also can be used in this way.

1.Made of High Carbon Steel, long time, and durable use.

2.Features undercut flutes for a more positive grip.

3.5 different sizes of screw extractors to meet different needs. The Square Screw Extractor design can also be used as a hexagon screwdriver to use, to tighten loose screws.

4.Designed to remove broken studs, set screws, pipes, and alemite fittings Specifications.

5.The tail is square, which is convenient for the tap to clamp and manually exit the screw.

6.The screw type is applicable Phillips screw, internal hexagon screw, external hexagon stud, flat screw, etc., as long as the screw thread diameter is within the above range, it can be used.