NUTS, BOLTS, THREADED BAR
Summary: Nuts, bolts, washers & threaded bar. Fixings for heavy duty construction
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Bolts are used to join pieces together either permanently or temporarily. Many steel structures, including buildings, are simply bolted together. For example, the Eiffel Tower in Paris was originally a temporary structure and after twenty years it was to be dismantled. For this reason most of the steel components were bolted together. However, the tower has lasted well over a hundred years. Much of the structure of the Empire State Building in the USA is also bolted together. Nuts and bolts can also be used to fix together small structures such as furniture. Nuts and bolts come in many different types and sizes and some are shown below.
To buy anchor fixings, go to Screwfix on the right hand side of this page and pick from our Top Tools area.
Anchor fixings are mostly used to fix timber and steel to masonry or concrete.
Coach bolts have a square collar under the domed head and this locks into the wood when the nut is tightened. A washer is normally placed
before the nut to stop it sinking into the wood as it is turned. Socket sets and Spanners can be bought from Screwfix
Plasterboard fixings come in all shapes and sizes and the weight of the object you are trying to fix usually determines which type you use. Scroll down to our Top Tools area to click through to Screwfix to purchase plasterboard fixings
Click here for chemical fixings, threaded bar, eye bolts, sleeve anchors, rawl bolts, magnetic catches, concrete screws, jubilee clips, frame fixings, rivets, galvanised bolts, zink bolts, hammer screws and wood biscuits.
Two spanners are needed to tighten this nut and bolt. The first spanner fits round the hexagonal head of the bolt and a second spanner is used to tighten the hexagonal nut.
Follow this link to buy Frame Fixings
Frame fixings are pushed through a pre drilled hole in the frame and surrounding structure. They are then pushed in so only the metal screw is showing. The screw is then screwed in. Hammer Screws are inserted the same way but the screw is hammered in rather than screwed.
The countersunk machine screw fits level with the surface of the wood/metal/plastic. A screwdriver is used to keep the bolt still whilst the wing nut is tightened by hand.Countersinking can be done with ordinary wood screws also.
The Aercon Anchor designed to be screwed into airated concrete or blocks to provide a threaded socket enabling a Secure Fixing Point.
For Wing Nuts and all other types of Nut to fit all types of bolt, click here. Wing nuts are used to make the adjustment of a secured object as easy as possible.
Screwfix supplies a large range of Wood Nails
A plain washer prevents the nut sinking into the surface of the wood/plastic/metal.
Follow this link for Wall Plugs
If there is a need to prevent A nut and bolt loosening a spring washer is used.
Below is an example of a concrete bolt
With thanks to V. Ryan from www.technologystudent.com who has copyright on all of the images shown here.
All project content written and produced by Mike Edwards
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