FastenersAsia November 2022

Products

Marine fasteners and fixings Leyton Fasteners, based in Cheshire, UK, offers a range of marine fasteners and fixings, including A4-316 marine grade stainless steel fasteners suitable for general use in marine structural applications, and grade A2–304 for internal marine applications. The company states that it understands the importance of having fixings that are highly resistant to corrosion above and below the waterline. The team has many years of expertise and experience in the world of fasteners, covering marine, engineering and associated industries, and has access to an extensive range of contacts, resources, suppliers and manufacturers to ensure that it supplies quality products. The company offers local deliveries by its own vehicles or can arrange for goods to be delivered to any part of the UK mainland. Customers may also call in to the trade counter to place an order or collect in person. The standard A4–316 stainless steel alloy that Leyton Fasteners offers in its marine fasteners has been specifically manufactured so that it will not rust when exposed to harsh environments such as the ocean. Fastener installation technology To complement its extensive line of engineered fasteners, Spirol designs and manufactures a complete line of fastener installation equipment for all types of pins, compression limiters and threaded inserts for plastics. Ranging from manual to fully automatic, all models are available with error proofing options and Spirol’s performance warranty to ensure risk-free assembly. Spirol offers engineering support to not only help design the engineered fastener, but also to make the critical

Photo by Artem Verbo, Unsplash

The company recommends not coupling stainless steel marine fasteners with aluminium, because a galvanic corrosion process starts when stainless steel is in contact with aluminium in the presence of electrolyte saltwater. The best way to avoid this is to match stainless steel components, which will “literally last a lifetime”, according to Leyton Fasteners. The range of marine products includes fasteners and fixings, chain, wire rope, hinges, pins and rings. In addition to the standard off-the-shelf range, Leyton Fasteners offers a bespoke service to supply almost any fastener or fixing (or other part, if possible) to the customer’s specification, in a large variety of specialist materials specifically available for marine and offshore applications. These items can be produced to customer drawings using any material specification available from an extensive range of alloys, brass, composites, etc. Leyton Fasteners https://leytonfasteners.co.uk

Stainless steel bolts, screws and nuts provide long-term corrosion resistance. For above the water line, grade A2–304 is sufficient, but anything that is to be submerged will require at least 6 per cent molybdenum in the alloy: A4-316.

recommendations for the interface between the product and the assembly. In addition to 30,000 standard engineered fasteners and shims, Spirol has a standard line of fastener installation equipment to facilitate the assembly of the product. The company’s new website, based on decades of engineering knowledge and experience, has been designed to make finding valuable information on fastening, joining and assembly easier. Spirol www.spirol.com

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November 2022