MonstrumRed Dot Screw Kit | Includes M3, M4, #4-40, #6-32, #6-40, and #6-48 Screw Types | for Compatibility Across red dot Makes and Pistol mounting Platforms

Good buy! Worth the money!

Just what I needed

Useful sized screws for mounting optics

Basically threw $20 at my problem and solved it. My kit had the m3.5 screws that I needed which aren't listed in the description as of writing this. The screws are well packaged and labeled. Seems to be a bit of a problem with the lack of standardized optic cuts and screw sizes so this is a welcome addition to my supplies and I'm glad to have it.

The media could not be loaded. Disappointed. At $18 (time of review) and a lot of varying screws, I thought I would have at least one RDO combo that would work. Nope, even the size I needed did not fit right or was not long enough on three RDOs mounting the adapters to different slides and different RDOs to different adapters. I ended up using the screws left over from other optic mounts like I usually do. I'd rather look for specific screws to mount critical duty-type optics. I cannot recommend these as I could not find any to work with my applications.

Like the title say, its got them all. This set has come in handy several time. A++

If you know what this is, get two asap. Possibly the best value on Amazon. Hurry and snap it up.

All of these screws passed my thread checkers for proper threads, except I didn’t have a checker for the 6x48 screws. The blue thread locker tab engaged the socket threads well on all but one of the screw sizes. The blue thread locker on that one screw size was applied too thinly to properly engage. The screws are all in individual well labeled ziplock bags. The labels include the screw size info and required wrench size (all require T10). I tried various T10 bits with these screws. The fit of these screw sockets was somewhat loose on all the T10 bits, even those that were tight on other brand screws, but they did engage and I could achieve the recommended 15 in-lb torque. For my first needed use, I found the proper diameter/thread count/overall length in this set, however the thread length was too short and the shoulder length was too long for them to fit properly. The shoulder lengths on many of these screws may be an issue with some installations (like mine). In summary, the screws in this set all threaded well and there is a good size range included, but as I found, it is not fully inclusive - especially given the shoulder lengths. Also the fit of the T10 heads is looser than I would like.