Shoulder Screw vs. Carriage Bolt

[@bbmorgan100]

Your initial point about standard sizes landed hard after I started shopping for shoulder bolts for my project. I'm trying to build a wooden gyroscope (you know like the space-travel device in contact) as a desk ornament and I'm looking for tiny shoulder bolts as the pivots. Maybe I'm over-engineering the thing. Anyways, cool video.

[@McGuireMechanism]

Thanks, Brian! That sounds like a super cool project. And good thinking, shoulder bolts make great joints.

[@TariqTheTutor]

how do I take out the carriage bolt? I am trying to remove my tail light and someone (previous owner or car dealership) placed something that looks like the carriage bolt.

[@McGuireMechanism]

Great question. If it is a carriage bolt, there should be a nut threaded onto it. Remove that nut, then tap or pry the threaded end to push out the bolt. Use a piece of wood against the bolt itself to avoid damaging the threads. If you don't have enough room to tap or pry the threaded tip, after removing the nut, you may need to apply a special removal technique like I show in these two videos linked below. Good luck! kzbin.info/www/bejne/Y3O8gomvpb-ieas kzbin.info/www/bejne/n56kn5usnNama6s