Hilitchi 510pcs M3 M4 M5 Stainless Steel Hex Socket Head Cap Bolts Screws Nuts Assortment Kit - 304 Stainless Steel (Hex Socket)

Parfait

For this price, I was expecting to get an assortment of bolts and nuts that were about 80% trash and 20% usable. Much to my surprise, I have not encountered a single unusable piece. I've used more bolts than nuts, however, everything has been fine. I will say that the hex socket in the cap of each boltis not perfectly centered in the head and while I'm fairly OCD about things like this, it is not bad enough to keep me from using these, even in applications where the bolt will be visible. The fact I'm OCD about this detail may be the only reason I even noticed in the first place.As has been mentioned, the plastic container is indeed trash, thus my four star rating. Considering the price though, I would have rated it 4.5 stars if I had the option. It arrived cracked and some of the bolts and nuts had mixed and were no longer separated. I used it for a week or two and the condition worsened, with most of the smaller units mixing better than they would have if I'd tried to mix them together by hand. I spent 10 minutes re-sorting everything and slotted them all into other containers that I already had on hand. I honestly would rather they just shipped everything mixed together in a cardboard box that I could have actually recycled.Note I am not using these outdoors, on vehicles, on the farm, etc. I'm using them for indoor science projects, 3D printers, electronics, etc. For these applications, they are sturdy and I have had no issues.

The pros are that the nuts/bolts are stainless steel fit together fine and there are a lot of them in the sizes that I use most. The plastic box is well constructed...Con and the reason it loses 2 stars: The plastic grid in the box that separates all 63 trillion nuts/bolts is very easy to lift. And even lifting it slightly allows pieces to slip under the grid so that it will not seat to the bottom and is then tall enough so the lid will no longer close. Very aggravating and the only solution is to remove everything, glue down the grid, and then put things back.

Nice, clean, smooth screws and nuts. All properly sorted in a sturdy case. I have not taken the time to count and confirm, but quantity seems about right. The quality of the case is what really makes it for this particular listing though, all too often these sort of screw packs come in flimsy, cheap cases that don't keep the pieces separate and often break, but this set came in a very nice locking case. Will buy this brand again as long as they maintain both product and package quality.

Fasteners are fine I suppose, BUT... Whoever thought it was ok to use a storage box that has loose dividers for small parts is a complete (can't say it here!)!! You literally can not touch this without the dividers popping up and allowing the parts to roll underneath, preventing them from going back down. Not just the bin you were trying to get a part from, all the bins because they're linked. This also means that the box can not be closed again. So, simply getting a part will mean you have about an hour of work to do to fix this ridiculous container or you are never closing it again. All parts must be removed, dividers then placed back (and GLUED!!), then divvy up all the parts again, and close the box to be stored. I'm still in the middle of fixing this, but I'm so angry about the wasted time, I needed to take a break to write the review/warning!