DMM Ultra O Screwgate

The DMM Ultra O Screwgate is a classic big walling biner, although its a very useful bit of gear that should have a place on everyone's rack.  Ideal for crevasse rescues and setting up pulley systems.

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DMM Ultra O Screwgate Video


With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

You Pre-Order is prioritised (at no additional charge); meaning that, as soon as the product arrives with us, we can wrap it straight back up and get it sent out to you - it often never even hits the stock room shelves!


With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery Dates

Estimated Delivery Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery Dates provided on product pages.

The Current Estimated Delivery Dates for DMM Ultra O Screwgate is

DMM Ultra O Screwgate Description

  • Brand : DMM
  • Season : Perennial
  • Code : 5012229
  • Weight : 0KG
  • Carabiners - Locking - DMM Ultra O Screwgate

    This classic Oval biner is designed for pulley systems, aid climbing and for rescue scenarios as its symetrical shape is perfect for handling inline pulls.  

    The Ultra O Screwgate could be described as the perfect aid climbing biner – it certainly performs remarkably well in the big wall environment and the I-Beam construction gives it an excellent strength to weight ratio. At some point all climbers will need to use a pulley system, most likely in a rescue situation. Oval biners are important because they allow pulleys to sit in a correctly loaded and equalised position.

    The symmetrical shape also stops them shifting under load and potentially dislodging a marginal gear placement. The locking gate adds a final element of security to the system.


    DMM Ultra O Screwgate Deep Zoom

    Buyers Guide

    Sizing Information

    Technical Information


    • Oval shaped locking biner
    • Ideal for pulley systems and aid climbing
    • Strong and lightweight I-Beam construction
    • Generous rope radius
    •  Weight - 65g
    • Strengths
      Gate Open 25kN
      Gate Closed 7kN
      Minor Axis 12kN
      Gate opening 22mm


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