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Technifast Launch New Range Of Self-Cutting Thread Inserts
CORBY 15th September 2016: Technifast have expanded their specialist fastener portfolio with a range of self-cutting thread inserts, designed to provide a high-strength thread in plastics, wood and soft metals.
The inserts have an internal and external thread and are self-cutting, and are supplied in a choice of steel, stainless steel 303 or stainless steel 316, with a range of thread size.
Design for the inserts began after the firm were approached by a professional diver who needed a secure means to bolt down equipment, gas bottles and diving gear in his RIB (Rigid Inflatable Boat).
The diver initially enquired about Technifast’s 300 Series Inserts in marine grade stainless steel, but after discussing his needs, the Production Team soon established that the grip of these would not be sufficient for the chaotic environment of a fast RIB in a choppy sea. The risk of a pressurised gas bottle breaking loose within the confines of a fast moving boat was something to be avoided.
Technifast’s Production Team identified that a blind insert would be a better solution as it would prevent any water ingression into the hull cavity and wood sandwich layered within the fibreglass, so as not to drastically reduce the grip of the insert, cause wood rot and compromise the integrity and strength of the fibreglass.
“We identified a design which incorporated a deep and coarse self-tapping thread to provide sufficient grip, a minimum of 15mm usable internal thread, a shoulder at the top to enable a good watertight seal and 3 interruptions in the thread to remove the host material cleanly on insertion.” explains Technifast Senior Engineer, John Garner.
“We manufactured a prototype batch with an M10 internal thread and sent the diver some samples to test. He reported back to us that they functioned perfectly and placed an order. We then manufactured a longer M12 version which he also tested successfully for us. Having a customer you can liaise with over design and function, who can then help test and develop products is invaluable. This is something we try hard to cultivate in our manufacturing department as it’s the best way to learn what our customers need, and most importantly, where we can improve on our product range for them.”
For more information, please visit: www.technifast.co.uk
Technifast Company Information
Technifast is an established supplier, exporter and manufacturer of specialist engineering components and precision fasteners. Their large portfolio of precision fasteners spans pins, dowels, spacers, inserts and keys, which are reliably and efficiently supplied to industries including automotive, aviation and marine.
Technifast’s manufacturing division is dedicated to producing small and complex turned parts, using CNC machines to obtain high precision and excellent surface finish. They have capabilities to produce both high-volume runs of parts or low-volume orders such as prototype manufacturing. www.technifast.co.uk