Kryptonite 16mm Bicycle Stronghold Anchor Bike Lock
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- PERMANENT LOCKING POINT for use indoors or outdoors to keep vehicles and bicycles safe
- Attach to solid concrete ground/walls, or to truck/trailer beds
- 16mm hardened CARBON ALLOY STEEL SHACKLE
- 5/8” cement anchor bolts installed directly into the cement
- Includes 2 MASONRY BITS (1- initial pilot hole, 1-final moly-bolt diameter)
- Steel shackle lays flat within domed body when not in use, making it safe to walk or drive over
- Recommended for both residential and commercial applications
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From the manufacturer
Permanent Locking Point
For use indoors or outdoors to keep vehicles and bicycles safe
Residential and Commercial Applications
Attach to solid concrete ground/walls, or to truck/trailer beds
Kryptonite Lifetime Warranty
Rated 10 on our Security Scale making this a secure solution in any area 24/7.
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PERMANENT LOCKING POINT for use indoors or outdoors to keep vehicles and bicycles safe. Attach to solid concrete ground/walls, or to truck/trailer beds. 16mm hardened CARBON ALLOY STEEL SHACKLE. 5/8” cement anchor bolts installed directly into the cement. Includes 2 MASONRY BITS (1- initial pilot hole, 1-final moly-bolt diameter). Steel shackle lays flat within domed body when not in use, making it safe to walk or drive over. Recommended for both residential and commercial applications. Product dimensions: 7.5” (19cm) anchor diameter, 1.65” (4.2cm) anchor height.
Size: 16 Millimeter
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Minus one star for the "composite" (read: plastic or resin) cover. At the very least, there should be a metal shield to part of the cover, for strength, and to frustrate a thief cutting through to access the anchor shields. Unfortunately, the entire cover is plastic.
Otherwise, this appears to be a fairly strong ground anchor.
Note: to reassemble the fastener I used 2 rubber bands, a 7/16" rod, and circlip pliers to spread the spring. Just saying.
1. The supplied anchors work well if you install them properly.
* Don't hammer them into concrete when the bolts are partially threaded. Otherwise the end nuts will be pushed out the bottom.
2. Use a hammer drill. Drilling the holes into my garage slab using the supplied drill bits took all of 10 minutes.
3. As described in the supplied instructions, drill the holes using the anchor frame as a template. Drill the holes one at a time and thread the bolts into the U-shackle so that it doesn't move while moving on to the next hole. Make sure you drill the holes straight.
4. After the holes are drilled, suck or blow out the residue trapped within with a vacuum or compressor.
5. Apply a small amount of concrete adhesive into the holes before driving the anchors in.
6. Thread the bolts into the anchors and tighten them prior to placing the U-shackle plate on top. This will make sure that the anchors bite into the holes and allow the threads to reach the bolts once the shackle is placed over them.
That's about it. 13mm (1/2") Pewag G120 chain with sheath will fit through the U-shackle.
Correction: they called me back, and it turned out that I can use the same bolts, just remove the 4 outer shells surrounding the bolt, held together by a spring. For the nut, I just used an ordinary lock nut, lock washer, and washer. Thinking of rounding off the nuts with a dremel to keep from removal.
They should include truck mounting instructions in the installation manual, because there is clearly a picture of it mounted on a truck on the box.
Just wanted to say that I just used my regular drill and didn't have any problems, went quicker than I thought it would.
Update 11/17/2017 I am still using this Anchor and have not had any problems of any kind while using it so far. Would I recommend it? Yes, I would and if I need another one I would get one again.