How to use, general information with instructional pictures.
360 Medium (16cm)
The fastest placing screw in the world is updated for 2014 with a new Easy-Rack hanger which provides a big improvement when racking multiple screws on your harness. The new, sharper tooth cut is now even easier to place the screw. The 360 screw will benefit all ice climbers. In situations where safety depends on speedy screw placement (crevasse rescue or steep ice) the 360’s sharp bite and easy starting are quite reassuring. When obstructions of rock or ice prevent a normal fixed hanger’s rotation, the 360’s handle may be lifted away from the surface and turned freely. The 360’s super-slick finish makes it very difficult for ice to clog its core. The 360’s efficiency makes it possible to place an ice screw where and when you want to, not just where and when you are able to.
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|Weight (grams / ounces)|
Weight (g / oz)
In grams and ounces, the weight, as stated by the manufacturer / brand.
|169.00 g / 5.90 oz|
Ice screws range between 6 - 30 cm. Generally speaking the sizes can be thought of as:
Short - 13 cm and below
Short screws (“shorties” or “stubbies”) are for thin ice found on harder ice climbs and/or in crappy conditions.
Medium - 14 - 17 cm
With ideal conditions climbers will be able to plug medium-sized screws with no problem. They have a nice weight to length balance.
Long - 18 cm and above
Long screws are most often used as anchors or in crappy ice conditions where they can go deep to find the real ice below. Mountaineers may also prefer long screws as they can gain better purchase in less than ideal ice and have less chance of melting out.
How Many To Carry
There is no standard of how many screws to carry of each size. It will vary depending on where you’re climbing, your style of climbing and what level you’re climbing at. Some climbers will get a variety of the sizes, while others might get a majority of medium screws, a few shorties for thin spots and some long screws for anchors and bomber placements.
Note: The amount of threading on each screw does not change even when the overall length changes (exception: e-climbs screws).
No Handle / Knob
About 30% of the options
Cons: No “speed” handle/knob for faster threading
Note: This is not currently a feature to filter on (coming soon), but is important to see the difference.
About 24% of the options
Pros: There is an extra “handle” or “knob” for faster screw threading. Cheaper than folding versions.
Cons: Some of the knobs stick out substantially and could cause the rope or draws to get caught on the lengthened handle.
Around 42% of the options
Pros: Foldable handle allows for quick threading and reduces snagging potential by folding out of the way.
Cons: More expensive.
Nearly 70% of the screws are color-coded, and this represents nearly all of the screws that have handles/knobs (color coding can also be on the hanger or the tube itself).
Pros: Like on cams, color-coding makes for faster size identification.
Cons: Generally color coding only comes on more expensive screws (with handles)
There are 7 brands that follow red, yellow, blue, gray, green as a small to large standard, but that is not consistent across the industry.
Sewn Sling (Pre-Attached to the Hanger)
Pro: You don’t have to carry quickdraws, so it saves weight and speed of clipping.
Con: The length of this sling may not be ideal and it is not adjustable
2 Clip Points on the Hanger
Pro: More clipping options, especially ones that are closer to the ice to reduce leverage in a fall situation.
Con: This comes standard on only a few screws so your options are limited. On some configurations this will also make the hanger much larger.
This is the most controversial feature. Grivel and CAMP (which make up 30% of the ice screw market) use reverse threading on all of their screws and claim that this angle is more effective at spreading an impact load across ice.
If you are interested in the merits of the “reverse thread” design, click to see photos of the concrete tests (reverse threading pulls out more concrete than standard threading) and read about the concerns of testing in concrete. Read discussion of the engineering that goes into thread design and the questioning of straight pulls while testing to judge if reverse threading would make a [significant] difference in the event of a fall on ice.
The material of the ice screw hanger (what you'd be clipping a carabiner into). Expect Stainless steel or aluminum here.
The material of the tube of the ice screw (aka shaft). Most often it'll be Chromoly or steel but Grivel, Petzl and e-climb (and perhaps others) offer an aluminum tube ice screw option.
Nearly 90% of ice screws are made from steel because steel is stronger and more durable.
Aluminum screws will dull and wear out much faster and are not designed for crag-style ice climbing. They are specialty ice screws best used for fast and light ascents.
The material of the teeth. Most often the tube material and the teeth material will be the same (e-climb and Petzl are exceptions).
Often, screws with aluminum tubes will have steel teeth to help with durability.
| Hanger: Steel|
In kilonewtons, the strength as stated by the manufacturer / brand.
The main climbing gear certifications are CE and UIAA--and normally the UIAA creates the rules that the CE body also supports. When possible, we try to list all the certifications the product carries.
To sell a climbing product in Europe, the device must be CE certified. There are no official requirements to sell climbing gear in the US. The UIAA certification is a voluntary process.
Ice screws are not certifiable below 10cm.
This video shows all the features of Grivel 360 ice screws.
The Grivel 360 is my favorite screw, its not the only one I use, but it’s my favorite for nearly every situation. All Grivel screws are good screws but they are all a little different, for slightly different end use. The tube and teeth of all the screws is the same, and its smoothness rigidity, and sharp teeth are all that Grivel can screw out of material and design. The efficiency of the tube and teeth are all affected by misuse and wear. If you want all your screws to work well, try and understand how a screw works and this might help you pamper your screws to lengthen their life and keep them working to their maximum efficiency. Ice screws are very expensive, sorry I wish they weren’t, but they are more than worth it when you trust your life to them.
The large single clip-in point on the head accommodated two carabiners easily and worked well and the shape of it is designed so that you can clip the head when it is at any angle, not just pointing down, although we always turned the screw so that it was pointing down.
Summary: Really good screws with good bite, easy to wind in and a reverse thread. They didn't rack quite as neatly as some of the other screws, but not a huge issue. The winding handle was one of the longest on test and made for easy winding even in tough ice.
With their lengthy, coffee grinder–like handles, Grivel’s 360 screws have long been a go-to for easier cranking in bulletproof ice. They’re also fantastic for maneuvering into tight placements or around large, funky features, but the chief complaint was they got tangled when racked. Now, Grivel has modified the hanger and crank so testers found they nested better when racking multiple screws on an ice clipper on your harness. The new hanger is also considerably easier to clip (though you no longer have the option of clipping it in two orientations). The teeth were also revamped. “Compared with the older Grivels, I was a lot more likely to get first-time, stab-and-go placements,” said one tester. (The new tooth design is also found on Grivel’s Helix screws.) Available in three sizes (12 to 20cm).