GME Supply is North America's Premier Outfitter of fall protection, safety equipment, and gear for at-height workers, industry, and construction.

1391 E Boone Industrial Blvd
Columbia, MO 65202
(718) 210-3913

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Wind Energy Industry Technician Hardware

When it comes to climbing in the Wind Energy industry the hardware you choose is extremely important. When your life's on the line you want to know that the hardware you are using is top quality. Our Gear Experts® have spent years sourcing the best hardware. Our carabiner selection includes ANSI and Non ANSI carabiners with screw-lock, twist-lock, and auto-lock features.

Which carabiner is right for you? Let’s outline the carabiner features so you can pick the best hardware for the job. First, we are going to look at ANSI standards. The ANSI Z359.12-2009 standard for carabiners requires that a carabiners major access point have a strength of 5,000 pounds. The gate face, sideload, and minor access strength must be at least 3,600 pounds.

Next, we will outline the different carabiner gate mechanisms. The three main styles are screw-lock, twist-lock, and auto-lock.


The screw-lock operates by unscrewing the sleeve down the gate to open. This gate will not auto-lock, as the sleeve has to be manually tightened after the gate snaps shut.


The twist-lock is a double action gate that quickly opens with a simple twist and pull movement.


The auto-lock a three-stage design as it requires 3 different motions to open. First, you pull the sleeve down, then twist, then pull back to open. Some carabiners only twist one direction, while others can twist left or right.

For more information on how carabiner gate mechanisms work check out our knowledge base. Need help finding the perfect carabiner, or have questions? Click here to chat with one of our Gear Experts®.