Quarter Turn Fasteners are quick release fasteners that are designed in on applications where 
panels need to be removed for maintenance, checking or servicing.
¼ Turns come in a variety of forms with a number of brands available in the UK market, Oddie Fasteners, Bi-Fix Fasteners and Dzus Fasteners and Speciality Fasteners are the most popular.
The Dzus turn-lock fastener was invented by William Dzus in the 1930’s, an American engineer of Ukrainian descent, other common fasteners are the Camloc and Airloc fasteners.
Quarter Turn Fasteners are used on planes trains, cars, buses, agricultural and construction vehicles and on industrial equipment like air conditioning units, generators and on enclosures; where there is the need to obtain access to perform checks and maintenance.
Quarter Turn Fasteners are designed to allow quick access, typically the stud is pushed into a receptacle to close with a quick quarter turn releasing it from the retainer, this is quick and easy to do verses the time required to remove a conventional nut and bolt.
One of the very best ¼ Turn Fasteners available is the Oddie Fastener, a 1947 Miles Gemini aeroplane, one of only four left in the world was renovated and needed Oddie Quarter Turn Fasteners to complete the rebuild, Oddie Fasteners are used in a variety of applications, they are found on motor bikes, trailers, sports cars and motor vehicles.
Mansfield based specialist fastener company Hall-Fast stocks an extensive range of Quarter Turn Fasteners, available in small, medium and large series sizes, they are made from plated mild steel which is plated with the appropriate plating to give the desired salt spray resistance and stainless steel quarter turn fasteners have also been produced for some marine applications.
Manufactured in the UK, Hall-Fast’s range of Quarter Turn Fasteners are available to buy online in small quantities, slotted dome head, wing head, recessed head or low profile head studs in a variety of standard lengths are available, these are retained in one panel by either a neoprene washer, circlip or a bowed washer, the retained ¼ turn stud is then engaged into a retainer which is either clipped onto a panel, riveted into a panel or clipped into a cut out on a panel.
Bespoke sizes of quarter turns have been developed to suit the requirements of customers applications, the most common requirement is to develop a bespoke head design, typically for security purposes where an Allen key head or specially designed is produced making them difficult to remove without having the correct hand tool to perform the job.
Plastic Quarter Turn Fasteners are also available, these are usually specified on electrical enclosures, and they are sold all over the world.
Quarter Turn Fasteners are a quick release fastener that are very easy to use, Hall-Fast have trained technical fastener specialists so if you require any help on selecting the best solution for your application then please contact them via sales@hall-fast.com or call them on Mansfield (01623) 645 645.
