Kadrick 600Pcs M4 Screw Assortment,Machine Screws with Nuts Washers, Grade 10.9 Alloy Steel Hex Socket Button Head Black M4 Bolts Kit,Lenth Form 6mm-30mm

Great assortment. M4 is the commonly used on for the VESA mounts on the back of computer monitors, so this kit worked perfectly for finding the right lengths for a variety of mounts. The seem to be good quality and hold the weight perfectly.

Quality set of bolts and nuts and washers. If you know what you're doing, these are extremely handy and good quality. They don't strip and are very sturdy.

There are a lot of sets of these screws / washers and lock washers available. I can only speak for this set - all of the parts are well machined and packaged. I've been able to complete several projects using various combinations of these parts and all have worked very well.

Nice assortment of fasteners. Will be great for my current and future products.

Large selection of bolts and nuts for any project you may need them for. Extremely useful for 3D printing projects use them all the time. They have a Matt finish. Nuts screw on easily to the bolts no sticking issues. Quality seems to be okay for just small projects nothing major.

Seem to be decent quality although they didn’t work for my application I did keep them

I needed a fastener to connect my hook laces to my new boots. This assortment set of M4 screws worked perfect! It contains all the necessary parts to accomplish this task!

Nice pack of nuts and bolts

Perfect.. Now to get longer!