22mm Long Aluminium Bolts & Nuts
These are Genuine Aluminium Bolts and Nuts, not soft imported aluminium, zinc or Steel.
Aluminium Nuts and Bolts should be used with Aluminium Greenhouses not zinc or steel to avoid a chemical reaction, if you have a steel greenhouse do not use these fittings.
M6 x 22mm Square Head Bolts with Hexagonal Nuts
Like standard 11mm square head bolts these will need to be slid into the frame during construction of the greenhouse, by fitting these during the build of your greenhouse it will allow you to use thicker materials at a later date giving you twice as much thread to work with than the standard bolts.
Square Head bolts also give you more strength because the head size is bigger than the cropped they are also easier to work with if you are trying to attach a length of material too more than 1 bolt as they can not fall out of the channel allowing you to concentrate on one at a time.
The dimensions are
M6 x 22mm Cropped Head Bolts with Hexagonal Nuts
These Bolts are designed to fit in to the underside of the glazing bars once the frame has been assembled, they will allow you to attach and move around any accessory fittings you have or won't to add when the greenhouse is up and working.
Like the Square head bolts the thread is twice as long as the standard 11mm cropped bolts allowing you to attach thicker materials.
The dimensions are
Both the Square Head and Cropped Bolts & Nuts are available in the standard 11mm length, just click on ' See other items ' at the top of the page to view.
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