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410 stainless steel is magnetic, not suitable for harsh corrosive environment.
Jim B
Reviewed in the United States on March 5, 2025
I'm Using these screws in an Aluminum Lanai Cage. The Self-Tapping Point easily penetrates and bores into 1/8" Thick Aluminum Framing. Since they are long, 2-inches, Make sure that you use a 1/4" Hex Bit with a 'collar' on it ... to securely hold the Screw in place as you exert pressure on the drill. Thes Quality Screws are the perfect solution to avoid having to 'drill' a hole, then change bits & Drive the Screw Securely into place. As Advertised: Very Good !
Willbeoutdoors
Reviewed in the United States on March 5, 2025
Great self tapping screws. I needed a variety of sizes to secure some paneling and sides on trailer and these worked well for that project. They have nice quality to them and are consistent, plus you get a good amount for the money. I am very pleased with these.
Joost Santos
Reviewed in the United States on March 4, 2025
These #14 x 2-inch self-drilling screws are a solid choice for metal applications. Made from 410 stainless steel, they offer good strength and corrosion resistance, though they may not be ideal for highly corrosive environments. The hex washer head provides excellent grip and prevents stripping, making installation easier. With 131 pieces in a 3-pound pack, they provide good value for large projects. Users appreciate their sharp self-tapping design, which allows for smooth drilling without pre-pilot holes. However, some may find them a bit brittle under high torque. Overall, a reliable option for metal fastening tasks.
Highwayman
Reviewed in the United States on March 3, 2025
The BNUOK #10 x 2 Inch Self-Drilling Screws are perfect for metalworking and other heavy-duty applications. With 151 screws per box and a 2 lb weight, they offer excellent value. Made from 410 stainless steel, they are resistant to rust and corrosion, ensuring long-lasting durability. The hex washer head design provides a secure grip, while the self-tapping feature eliminates the need for pre-drilling, saving time on projects. Whether you're working with sheet metal, HVAC installations, or general construction, these screws deliver reliable performance. A great choice for professionals and DIY enthusiasts alike.
The J
Reviewed in the United States on February 26, 2025
This is a nice set of screws. They appear to truly be stainless steel. A plastic container is included.Believe it or not, I use these as weights to hold zucchini on the bottom of my aquarium for my fish to eat. I need stainless so they don't corrode in the water. These work well, and I see no reason why they wouldn't work for their intended uses also. They do have the flattened, self-tapping tip. They easily screw into zucchini, of course.These seem to be of good, consistent quality.
Brandon
Reviewed in the United States on February 16, 2025
These BNUOK #10 x 1" screws are self-tapping, made of 410 stainless steel, and appear to be very well made. They came with a nice 5/16" socket bit adapter which was awesome because when I went to use them I couldn't find my 5/16" socket bit anywhere. Those things just seem to disappear. At the current price of $22.99, these are a pretty good value over the big box hardware store. They are about half the price of the same screws in-store and are a little less expensive than the discounted 2-pack you can get online... plus they come with a socket and the name brand does not. These screws are really handy around a metal building or warehouse. My business is a warehouse with pre-fab steel frame and metal siding and roof. I pretty much use these screws for everything from mounting lights to attaching wiring conduit to beams to installing signs on the walls. They just always come in handy. I'm really happy with these screws from BNUOK and recommend them if you need a lot of metal self-tapping screws.
Susan
Reviewed in the United States on February 16, 2025
I am so used to just getting junk nowadays when I buy fasteners and such that I wasn't expecting too much from these when I ordered them. I was very pleasantly surprised to find that these are well-made and effective. Usually, I find sprue on the cutting tips of self-tappers, or sometimes malformed heads or messed-up threads. None of that here! Every screw I looked at had crisp machining, was formed well, and the stainless material was consistent. The hex heads are straight and solid and including the driver bit was a nice touch. They cut well into softer metal like metal building siding and gutters but may need a pilot hole into heavier, thicker metal, depending on your use. I am really pleased with these and will order them again if I have the need. Two thumbs up for a well-manufactured product! :)
R. Moheban
Reviewed in the United States on February 1, 2025
These are excellent screws made to high quality standards. Notably, the 410 alloy of stainless steel is exceptionally corrosion resistant so very good for use on boats. This is a super handy bunch of screws for mariners particularly, in a diameter that can find all kinds of uses. Just choose your length.At currently $16.99 for two pounds, the value is good given the very high quality. My only quibble, and thus a four star rating rather than five, is that in this particular length what I received was slightly underweight. While I did not count to confirm 194 screws, I did weigh them, and the complete contents including packaging was a hair shy of two pounds (1 lb 15.5 oz). The screws alone weighed 1 lb 13 oz with another ounce for the driver bit and the remaining 1.5 ozs attributable to packaging. While it's a small issue it does represent slightly misleading advertising (though they do give an exact screw count, so arguably not misleading). Still, if they indicate precisely how many screws, why not be precise rather than approximate about the weight?Great product. Highly recommend for a wide variety of outdoor applications, or indoors around humidity such as in bathrooms and kitchens.
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