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- Mr. Pen stainless steel hex head fastener Kit includes 350 pieces, perfect for a variety of fastening tasks.
- Crafted from premium stainless steel, these fasteners are highly durable, rust-resistant, and ideal for both indoor and outdoor use.
- The kit features an assortment of hex bolts, nuts, and washers, conveniently organized in a sturdy, reusable storage box for easy access.
- Designed with precision threading and strong grip, these fasteners ensure reliable and secure assembly for DIY projects or professional use.
- Suitable for automotive, construction, and home improvement tasks, this comprehensive kit provides versatility and long-lasting performance.
Robert Levandowski Jr.
Reviewed in the United States on January 5, 2025
These are decent-quality stainless bolts. The kit is a good choice for 3D printing enthusiasts looking to build a metric hardware collection. However, it's a fairly small collection; you don't get very many of each size, so it's definitely a starter kit.The odd thing is that it comes with a total of 100 bolts in different sizes, 100 washers, 100 lock washers... but only 50 bolts. It feels like these quantities were driven by the size of the container chosen, rather than choosing a container based on logical parts quantities. If you don't expect to use a nut with every bolt, you'll be fine... but if you expect a nut for every bolt, this isn't the kit for you.
J. Allard
Reviewed in the United States on January 26, 2025
A nice little M4 collection. Got the 8 pieces I needed to mount my 24" Fire TV on a ceiling pole. GO EAGLES. Mancave sports extension.
KC COLE
Reviewed in the United States on January 20, 2025
These nuts and bolts are of good quality and appear to have good fit and finish. The threading on the nuts work well and I haven't had any issues using them. Good product.
JCTW
Reviewed in the United States on January 14, 2025
No real complaints. The finish is nice. The threads are accurate. I don't see any bad burrs or bad machining.The case is average but fine for the price. Same for the included hex wrench.I'd definitely consider this a starter pack or "round out the collection" set, which is perfectly fine. If you need really large bulk quantities of a particular size then you already know this isn't the set for you.I wouldn't go around using these on critical airplane wing repairs, but for hobbyist needs, they're fine.Final Verdict: Very approved for non-life-threatening builds.
Christina Dobrzykowski
Reviewed in the United States on January 11, 2025
Perfect size for what I wanna use them for good quality
Better Deals
Reviewed in the United States on December 22, 2024
This kit of M4 nuts and bolts works great. They're all well-formed and interchangeable with my other M4 stuff. Zero duds. Also, I like that they fit properly on a 3.5mm Allen key - not tight where it's tough to get the tool in, but snug enough that there's no undue wobble. The box is the cheap type with the folded plastic substituting for a hinge, but it's kept everything sorted so far.
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