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Grub screws can be impossible to remove and often the only way to get them out is to drill out the grub screw. Most grub screws are made from either a hard grade steel, or sometimes stainless steel. Drilling out these grub screws can be very challenging, and is often impossible using standard HSS drill bits. In this video I drill out a grub screw using Cobalt drill bits, which are much harder than traditional HSS drill bits. Luckily this time I could do this on the bench, but normally I have to drill these out in situ, which obviously makes the job much more difficult.
- Category
- Metalworking videos
- Tags
- drill out grub screw, grub screw
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