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5 Packs Stainless Steel Expansion Wall Hook

57 reviews

$8.66$47.01

Delivery: Mar 8, 2024 - Mar 10, 2024
SKU: VA- Expansion Wall Hook Categories: ,
Heavy Duty and Rust Resistant

The open expansion hook is made of premium 304 stainless steel, which has undergone precision processing to ensure high hardness, toughness, and smooth surface. This hook is durable and not prone to rusting, making it suitable for both indoor and outdoor use, even in humid environments.

Great Value and Various Sizes

The package includes 30 pieces of M10 expansion screw hooks, which comprise hex bolts, thread rods, forging hook bolts, and forging eye bolts. The total length of the hook is 115mm (4.5 inches), with a sleeve pipe length of 42mm (1.7 inches) and an opening size of 20mm (0.8 inch). These hooks can hold approximately 320kg (705lbs) of weight.

Easy Installation with 14mm (0.56 inch) Hole

The drilled hole size for the expansion hook is 14mm (0.56 inch). To install, first drill the hole with a concrete bit, then place the expansion hook in the hole and tighten the hex nut with a wrench. Finally, tap the hook in gently with a hammer.

Important Notes and Tips

The open cup hook expansion bolts must be mounted on a relatively hard substrate and not on soft or unstable surfaces. Expansion is created by tightening a threaded bolt which draws a tapered cone, expanding a sleeve against the walls of the hole.

Wide Application and Excellent Stability

These open cup hook anchor bolts are versatile and can be used on block walls, concrete, and masonry. They also work well for patio sail cloth sun covers that are stretched tightly, providing excellent stability and support.

Product Parameters

vadania hardware tools

vadania hardware tools

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57 reviews for 5 Packs Stainless Steel Expansion Wall Hook

4.8
Based on 57 reviews
5 star
82
82%
4 star
17
17%
3 star
0%
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1 star
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Showing 47 of 57 reviews (5 star). See all 57 reviews
  1. Kirby

    The stainless steel material makes these hooks super durable and resistant to rust and corrosion.

  2. Valiant

    (The 22 lb magnetic hooks I bought are no longer listed in the ad. They are now selling 25 lb hooks instead. Just something to keep in mind when reading calculations based on the 22 lb hooks I bought & reviewed below.) ***************************************************************************Among other things, I’m using these on three steel doors to hold the curtain rods that hold the curtains. They are quite strong for their size (base is 1/2″ in diameter), and I’m very happy with their (parallel) holding power. I docked one star for two hooks that don’t fit in their base, demoting them to refrigerator magnets.Simply put, a magnet’s PULL STRENGTH measures (in kilograms or pounds) the amount of VERTICAL force required to PULL the magnet AWAY from the metal surface it is stuck to. Applying that to these magnetic hooks means that each one, when stuck to a metal CEILING, is rated for a maximum holding power of approximately 22 lbs/10 kg before it will PULL AWAY from the CEILING. (Assuming all CONDITIONS ARE IDEAL.)Take the same magnetic hook and put it on a WALL made of exactly the same material as the ceiling, and it will SLIDE DOWN the wall much easier than it will PULL AWAY from the ceiling (or PULL AWAY from the wall, for that matter). This is the magnet’s PARALLEL HOLD or SHEAR FORCE, and it’s not nearly as powerful as its PULL STRENGTH. This same concept explains why 2 magnets stuck together are easier to separate if you SLIDE them apart than if you try to PULL them apart.Manufacturers are generally referring to PULL STRENGTH when stating the holding power of a magnet. Pull Strength is determined by the MAXIMUM AMOUNT OF WEIGHT A MAGNET HELD WHEN TESTED UNDER IDEAL CONDITIONS. PARALLEL HOLD/SHEAR FORCE can be reasonably estimated at 10% to 25% of a magnet’s PULL STRENGTH. With that in mind, we’ll assume a PARALLEL HOLD of 17% for these magnetic hooks rated at 22 lbs (22lbs X 17% = 3.74 lbs). Under that assumption, we can expect that each hook (if used on a metal WALL or DOOR) should hold approximately 3 3/4 lbs of weight before it SLIDES DOWN THE WALL. Obviously, that’s much less than its stated pull strength of 22 lbs (the amount of weight it should hold if used on a ceiling). Because a magnet fails under less weight when used on a wall rather than a ceiling, or holds less weight than stated on packaging or sale ads, does NOT mean that the magnet is flawed or the manufactuer and sellers are deceitful. The magnet is simply demonstrating, in real life, (and perhaps to the user’s dismay), the difference between its PULL STRENGTH (22 lbs in this case) vs its PARALLEL HOLD/Shear Force (approximately 2 1/4 to 5 1/2 lbs = 10% to 25% of 22 lbs).In addition to orientation, there are other factors or conditions that influence a magnet’s performance/strength/holding power, SUCH AS:THE MAGNET: **What is the magnet made of, what type of material? (ceramic, alloy, rare earth, etc), **What is the magnet’s CONDITION? (chipped, cracked, scratched, dirty, etc) **What is its size and shape? **Is the magnet “CUPPED” or not? Cupped=magnet is placed into a steel ‘cup’ or ‘holder’, like the magnets on these hooks. Cupping ‘focuses’ most of the magnet’s pull in one direction [the open end of the cup], giving it more holding strength than it would have without the cup. **How has the magnet been HANDLED? Has it been stored correctly (it matters)? Has it been dropped? (dropping magnet=not good)ENVIRONMENTAL: **What is the AMBIENT temperature and humidity level? Is there excess moisture present? **Will the magnet be completely submerged, used to attract submerged items? **What is the temperature of the metal the magnet will attach to? – What is the temperature of the magnet?THE METAL: **What of the metal the magnet attracts or attaches to? – How thick is the metal? (thicker = better) – What are its components? **What is the condition of the metal item or surface? Is it BARE and CLEAN or is it coated, painted, dirty, greasy, rusty? – Is it perfectly FLAT or is it curved or uneven? Is it perfectly SMOOTH or is it textured, rough, bumpy, dented, chipped?ANYTHING THAT INTERFERES WITH 100% FULL & DIRECT CONTACT BETWEEN MAGNET AND METAL DIMINISHES THE MAGNET’S HOLDING POWER.~~~and that’s just the short list, there’s more, and it ALL matters.I think the physics of magnets and magnetism is fascinating, but technical and complex enough to blow MY mind right out of the science book! Fortunately, for most of us ‘average consumers’, this very BASIC understanding of PULL STRENGTH as it relates to PARALLEL HOLD is likely the most beneficial (and easiest to remember) when choosing a household, craft, hobby or shop magnet for your particular task. *********************************************************************************NOTE: IDEAL CONDITIONS for testing a magnet’s holding power means the METAL is thick, perfectly smooth and flat, perfectly clean and bare. Same for the MAGNET, it is in PERFECT, new condition. Ambient conditions [temp, humidity, dust-free, etc] are also PERFECT. Everything is as perfect as it can be in order to achieve the maximum holding power of the magnet, and that result is what is stated on packaging, in ads, etc. Our personal-use conditions are not likely to be as perfect as testing conditions.

  3. Kevin

    These hooks are a fantastic value for the price. I’ll definitely be buying more in the future.

  4. Farmer

    They arrive deconstructed, so you will need to screw the hooks into the magnets and that¡¯s the most annoying part. As soon as i had the magnets and hooks settled where I wanted them, I tested the tightness and have been letting them sit as a display for some keychains. They could hold my purse, but I didn¡¯t need them for that task. I love these a lot and need another 2-3 sets so I can use them to display other holiday decorations at the office!

  5. Moorish

    I appreciate the fact that these hooks don’t damage the walls – they’re easy to remove without leaving a trace.

  6. Dwayne

    How well these hooks work depend on whether you hang the load parallel or perpendicual to whatever surface the magnet is attached.If you attach to a vertical surface (like a wall), and hang something on the hook, it will likely slide right down the wall.However if you attach the magnet to a horizontal surface, like a ceiling, and the load is perpendicular , they work great, and easily hold 10lb.Personally, I’m using them on cruises to hang things from the ceiling (since cruise ships have metal ceilings).If you plan on attaching to refrigerator, stove, range hood, dishwasher door, etc.. they will slide down very easily, even with light loads (dish towel). You can reduce the sliding if you put something on the magnet side that increases the friction (masking tape) between the magnet and attachment surface.For my specific use case, 4 stars. Reason i took off a star is because they magnet side has no protective film, so you can easily cause scratches. My solution was to put a piece of tape across the back. As long as the tape is thing enought, it doesn’t affect the magnet adhesion much.

  7. Ulva

    I know. It says 100 pounds, but I didn¡¯t know how to quantify that into familiar terms. It takes a lot of strength, although not so much to make it difficult for a 70 year old woman, to pull these magnets apart.I plan to use the magnets on cruises, to hang things from walls and the ceiling. Some staterooms don¡¯t have walls to which the magnets hold, but using the ceiling works great for hats and other items.

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