STEEPED IN TRADITION COMMITTED TO INNOVATION DMM International Llanberis, Gwynedd Wales, United Kingdom LL55 4EL Designed by Fathom Creative, Manchester.

Awards & Standards 4 DMM Throughout the Ages 6 Design and Manufacturing Processes 8 Aluminium Connectors Carbon Steel Connectors Stainless Steel Conectors Specialist Rigging Soft Goods Ropes, Slings and Lanyards EN ISO 9001:2008 compliance and CE marking/product conformance are monitored by CEN (Committee for European normalization. Notified Body No. 0120 (SGS UK Ltd., Weston-Super- Mare, Somerset, UK). It is a legal requirement that we maintain our Quality Management System as part of the PPE Directive “CE” marking process. Products also conform to other international standards such as: Sales...

Introduction DMM has a very special story: A story of innovation, imagination and heritage. Snowdonia is an area steeped in culture and local history, where more than half its population speaks Welsh. Snowdonia National Park is a living working area. As well as being the largest National Park in Wales, Snowdonia boasts the highest mountain in England and Wales, Snowdon and the home of DMM. DMM have manufactured all of their safety critical hardware within their UK factory since 1981 and thirty two years later our reputation for innovation and producing premium quality equipment is still growing....

Mission Statement Together, each one of us will make a safer, better product for our customers COMPANY COMMENCES TRADING IN OLD SLATE MILL BUILDINGS IN BETHESDA DMM was formed in Snowdonia, Wales by a group of climbers, some of which are still integral to the operation of the company. PURCHASE OF 25,000FT2 FACTORY SITE Y GLYN, LLANBERIS; A SMALL VILLAGE BENEATH SNOWDON The company continue to invest heavily in its manufacturing plant. With innovation and imagination DMM’s future as a premium UK producer is possible. DMM was the first manufacturer in Wales to achieve the Investor in People Standard....

new drop tower facility Due to our commitment to quality DMM is now considered a specialist in many processes especially hot forging. DMM won the Welsh Assembly Government award for the Welsh Exporters of the Year Award. The addition of the drop test tower facility has enabled us to carry out more complex dynamic testing in house. Hot forging enables us to make intricate shapes and designs. DMM have years of expertise and we have a very skilled team of forgers working on forging machines made of the hardest steel in the world. Every member of DMM has contributed towards this success and achievement....

Custom Design and Tool room Whilst we take great pride in our ‘Off the shelf’ products, we realise that there will always be the requirement for customisation and indeed development of bespoke products. In fact over 30% of our range is made up of such products as so many of our customers already appreciate the added value this unique and comprehensive service brings to their business. With this in mind, we have invested heavily in plant process as well as personnel development to be able to offer our specialist knowledge and services at competitive rates. We have a fully equipped tool room operated...

Design and Manufacturing Processes Heat treatment Heat Treatment and Quenching The single most important procedure in the factory and very time critical. To set the strength of every product each must be heat treated and quenched into water. Anodising is an electrolytic process that involves the controlled deposition of a film of hard aluminium oxide. This film, as well as being very hard, is also corrosion resistant. Alloy Heat Treatment As well as offering corrosion protection, anodising is the principal method of colouring alloys, allowing us to differentiate our products and make them instantly...

Quality & Testing For us, Quality Assurance isn’t so much a process as a way of life. As users ourselves we know that when working at height, one’s safety system has to be up to the task, no if‘s or but’s, compromises or doubts as any failure could have catastrophic consequences. When working in an extreme environment you need to be focused on the job not worrying whether the gates on your connectors are going to stick. At DMM we strive to build in sufficient reserves to be sure that each product delivers when put to the ultimate test. We achieve this through stringent controls at each stage...

quality statement 1. All employees, contractors and suppliers are reminded of the special nature of the Company’s output, where our customers often rely upon our products in truly life or death situations. 2. DMM recognises that to stay ahead of its global competition it must continuously improve the quality of its finished products and service. The Company’s Corporate Plan contains the Quality Strategies that enable us to achieve this objective. 3. DMM’s Quality System is designed to ensure that all areas of the Company’s operations are maintained to give a consistent standard of finished product...

The Anatomy of a Carabiner Screwgate and Anti Vibrate locksafe and locksafe ANSI The original and classic gate mechanism, is suitable for a multitude of attachment situations. DMM screwgate barrels feature a new screw knurled profile to assist gripping in wet or icy conditions. 1. UNSCREW The triple action of the innovative Locksafe mechanism significantly reduces the chance of accidental gate opening and is a major step forward in improving the safety of automatic locking carabiners. We have recently increased the thickness of the gate and thimble to improve the thimble/latch overlap, giving...

KEY TO MARKINGS You can check the strength of any carabiner by reading the markings on the side. Major axis strength The strength of the biner when loaded along the back bar Minor axis strength The strength of the biner when loaded across the gate Gate open strength The strength of the biner with the gate in an open position strength and id markings Every DMM carabiner carries two distinct sets of markings. The first set, along the flat beam indicate the strengths of the product. The second set is found on the spine of the carabiner in the form of a unique serial number. The number allows every...