Blog - Ronstan Industrial

C, T & V Cleats & Rope Stoppers

What is a cleat? In simple terms a cleat is a device for securing a line, the term was first applied to pieces of metal or wood with projecting arms on which a rope could be wound, thus securing the load on the rope, for example to fix in place the halyard used to hoist a flag or a sail. Modern...

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Sheaves - Acetal, Ball Bearing, Nylatron

What is a sheave? Sheaves It is often referred to as a pulley but, technically, it’s an integral part of a pulley. It is the freely rotating grooved wheel held between the two flanges of a pulley, with the drive element, e.g. rope, chain, cable, etc., fitting into the groove in the wheel....

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Industrial Eye Bolts - Stainless Steel Eye Bolts with Shoulder and Fork

  Eye Bolt What is an eye bolt? An eye bolt is a bolt with a looped head with screw threads at the other end. They are often made in one piece, either bent or forged into shape, but for high loads those with welded loops are used as they can withstand loads up to the tensile strength of the metal...

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Stainless Steel Shackles - Bow, Dee Style, Twisted, Halyard

  Dee Shackles What is a shackle? A shackle is a U-shaped piece of metal, it is secured by a pin, or a bolt, or a hinged metal loop, these in turn are secured by a quick-release locking pin such as a cotter pin. Shackles are used to connect ropes or cables in many types of rigging systems such as...

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Pulley Blocks -Wire Blocks, Core Blocks

Block & Tackle What is a pulley block? Blocks are simple devices that consist of a grooved wheel through which a rope or cable can run and change the direction of the force needed to lift a load thus increasing the mechanical advantage. More than one block in a rigging system of any type is known...

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Wire Rope Clips - Grips, Thimble Kit

What is a wire rope clip? Wire rope clip   The end of a wire rope is liable to fray very easily and must therefore be well secured. The most commonly used method of doing this is by forming a loop by bending the rope back on itself to form a loop. This loop is then secured by fixing it in place...

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What is rappelling rope?

  Climbing There are so many different types of rope for sale it would be easy to get confused. Rappelling is actually just another word for abseiling or climbing down and therefore rappelling rope is simply climbing rope or a rappelling device. Well, we say simply, but there are also many types of...

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Lifting and Nylon Slings

Lifting slings come in a number of shapes and sizes relevant to almost any industry. Many are made of synthetic materials such as nylon. There are marine slings, mining slings, utility slings, mesh slings, chain slings, wire rope slings, web slings, cargo slings, and many more. Nylon slings are...

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Kevlar Rope and Kevlar Cord

Like spectra rope or dyneema rope, Kevlar is the registered trademark of a material called para-aramid synthetic fibre. This material was developed in 1965 and since then has typically been spun into ropes.

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Synthetic Winch Rope

  Rope Synthetic winch ropes have a number of industrial applications such as commercial fishing, mining, and in the automobile industry with synthetic winch ropes being the perfect choice for many off roaders. The synthetic winch rope has many attractive qualities, which makes it one of the top...

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Use of Cord Locks

  Shock Cord Locks Cord locks are often used in conjunction with elastic cord or elastic string. Often made out of plastic, a cord lock is also known as a cord fastener, a plastic stopper, or a cord toggle. The real unique selling point of the cord lock is that it tightens  rope or cord without the...

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Webbing and Winch Straps

  Webbing and Winch Straps Webbing straps are formulated from a strong fabric woven as a flat strip and are often used in place of rope. The name webbing comes from the meshed material frequently used in its construction which resembles the pattern of the web. Webbing straps are now usually made...

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Going Tree Top Climbing?

  Climbing For the thrill seekers among us high rope adventures are exhilarating, for the less intrepid they can be terrifying, even the knowledge that the safety precautions are practically foolproof doesn’t always alleviate the extreme apprehension! High rope courses, the safety systems and the...

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Technicalities of Zip Lines

  Climbing We may think that hair-raising zip lines are a fairly recent development, given that they are increasing in popularity as an adventurous leisure activity. In fact zip lines have been used as a means of transportation, of goods as well as people, in mountainous countries for many years. A...

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Clamp it with a rope cleat!

  T- Cleats Most dictionaries have at least two definitions for a rope cleat, the one we’re interested in is the one that says a cleat is ‘a fastener (usually with two projecting horns) around which a rope can be secured’. This is a very simplified definition of the cleats that are available today,...

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About Us

Ronstan’s end-to-end design, manufacture and distribution operation delivers high specification products for all serious hardware applications.

Our state-of-the-art design facilities and manufacturing plant handles more than 4.9 million units each year.

As one of the top three sailboat hardware brands globally we know what it is like to deliver great equipment that can handle challenging conditions.