If this fails to dislodge the broken bolt, you'll want to swap out the left-handed bit for a specialty broken bolt extractor.

No screw extractor? No problem. Use a tapered square drive bit to back out a stuck fastener: First, drill a hole in the head deep enough to seat the square drive bit. Use a drill bit with a ...

Got a stripped Allen screw you can't budge? You've come to the right place. One of these methods should do the trick. The post How to Remove a Stripped Allen Screw appeared first on Family Handyman.

Screw extractor sets can be useful when you're dealing with a stripped screw. Here are five sets that can help if you get stuck in that bind.

Co-owner, Andy Carlson, setup a stripped out screw demo for us. We picked the appropriate sized Speed Out bit based on the instructions and drilled the hole in the screw head.

Professionals use a screw extractor with a drill to remove stripped screws. Products like ScrewGrab, which helps add friction, can help in many instances. For a more DIY method, try using a rubber ...

So the takeaway here is that when you break your extractor trying to remove a broken bolt (and I do say "when," because they break often), you're not completely screwed.

Bolt extractors are tapered, high-carbon steel bits with aggressive left-handed threads on their exterior surface.