A double-ended hexagonal shank tool bit (10) for extracting Phillips head or similar screws (50) with damaged heads (52). One end (16) of the tool (10) shapes the screw head recess to a flared opening (72). The other end (26) of the tool (10) is tapered with left-hand screw ...
For removing damaged screws, a bit having an axis and a tip end formed with a point and a rear end formed in hexagonal cross-section adapted for installation in a chuck of a variable speed reversible drill, the tip having a plurality of longitudinal recesses uniformly disposed about the tip...
Few things will try your patience the way a stripped screw or bolt can. But here’s how you can get so good at it, you almost look forward to the challenge.
Surgical technique: simple technique for removing a locking recon plate with damaged screw heads. Clin Orthop Relat Res. 2013;471:1572-5.Gopinathan NR,Dhillon MS,Kumar R. Surgical tech- nique:Simple technique for removing a locking recon plate with damaged screw heads[J]. Clin Orthop Relat ...
If the screw is rusted, the head may break off when you're trying to extract it. That usually doesn't present a problem, although you may have to widen the screw hole with a larger bit so you can drill a new pilot hole in the screw shank and force the extractor it. When a screw...
;SOLUTION: A tapping screw with a tip removing function is formed such that a drilling part is arranged at the tip of a leg part 3, and a breaking groove 16 is formed between a drilling part and the screw thread 5 of a leg part 3 formed between the drilling part and a head part ...
These are flat head screws, so it's not easy to cut them off, and I ended up using a ball grinder with a Dremel tool to grind out the entire screw head to remove the top frame (3 screws each side). This time it was more cut and weld to R&R a small section of the inner ...
You can use a flathead screwdriver with the following screw. CAUTION: This product contains components that are easily damaged by electrostatic discharge (ESD). To reduce the chance of ESD damage, work over a noncarpeted floor. If possible, ground yourself while touching the metal frame of ...
United States Patent US6978697 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
A need exists in the art for a broken bolt or broken screw extraction device to facilitate easier removal of fasteners held tight by a workpiece. The device should be able to be utilized with hand-actuated handles or with electrically activated tools. The device should engage as much of the...