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What are hanger bolts for?



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Kiteman7 years ago
Answer number one:

The pointy end screws into wood (use a spanner on the squared section in the middle), then you fasten something to the blunt end with an ordinary nut.

In this example, the bolt is being used to stiffen the corner of a wooden frame by pulling the metal plate into the timber joint.

Answer number two:

They are part of the gear system of a bicycle.
lemonie Kiteman7 years ago

Nothing to do with climbing then...?

L
aeray lemonie7 years ago
As far as rock climbing equipment goes (in the US at least) "bolts" are the (permanent) mechanical fasteners inserted into drilled holes in the rock and "hangers" are the perforated metal plates semi-permanently attached to the bolts that allow temporary gear (usually carabiners) to be attached to.
lemonie aeray7 years ago
The question is a bit vague, thanks for the info on those things.

L
aeray7 years ago
Hangar bolts (that resemble the threaded portion of a machine screw attached in-line to the threaded portion of a wood screw or lag bolt with no heads in evidence) are most commonly used in the light commercial and residential construction industry to attach wall-mounted porcelain plumbing fixtures (i.e. toilets, sinks, and urinals) to wooden framing. The lag or screw part is driven into the wooden framing using a pair of vice-grips or channel-locks and then the fixture is hung on the bolts through pre-cast holes and secured with nuts and washers.
onrust7 years ago
2 things here: 1.What you are hanging. 2. What you are securing the said hanging item into or on.
frollard7 years ago
"Hanger bolts are ideal for overhead applications, such as suspending electrical wiring or sheet metal from wooden structures." answer from google. It's wood threaded on one side and metal (nut) threaded on the other side such that you can drive it into the wood, then bolt something to the wood at varying heights. http://www.usifaz.com/Web%20Site%20Pics/Screws/Hanger%20Bolt.gif