Zipbolt 10.600 Countertop Miter Connector — 5 Piece Joint Fastener Drawbolt Pack with 5mm Hex Bit for Joining Countertops, Butcher Blocks, Furniture, and More - Single-Handed Tightening

These work well for joining butcher block slabs. They are easy to install thanks to the internal hex drive. I tried the ones with bolts on both ends (no access to tighten them) and these are far better. Take some time to get the counterbores and slots right in your piece - make a test piece and a drill / routing template.

Awesome seller, great product!!

I really like that you can tighten these from the 'top' and don't have to get in there in a tight space with a wrench.Cutting the slots for them is a bit tedius and I did end up breaking down and buying the (way over priced) template that this company sells. With the template and the proper router setup, pinstall is easy. Free hand drilling and cutting of a slot, not so much.

This product works really really great. I'm a contractor and I did not know that this even existed. Install butcher block Countertops, and it did the job really well. Highly recommend

I’m so glad this was invented. I just used the included template, made a few forstner holes and quickly turned an overly- long table into a 3 section table. So far, these bolts have held this very heavy table together.

I bought these to "merge" 2 pieces of acacia butcher block together. I needed a 4' x 8' piece and to buy that vs. 2, 2' x 8' pieces was multiples of $$ so I got the idea of buying 2 pieces and butting them together.These bolts are essentially close clamps that allow you to force the pieces together and hold them together. I might have been able to take them out after the glue dried, but I don't want to risk a failure of the seam over $50 in bolts so I left them in place.Do yourself a favor and get the proper sized forstner bit for the round cavities and use a router to mill out the channel. The bolts come with a template of sorts (not really size for size though).The only con about these is that the ratcheting mechanism didn't seem super strong. That mechanism allows you to open/close the bolt by using a standard screwdriver and "converts" your torsional movement to torsion in a perpendicular direction, but it doesn't feel very strong. I didn't have an issue, but as I was tightening it I couldn't help but think it would strip. I don't know if these include a torque spec.

Yes they are much easier to use but the clamping power just isn't there.

Worked very well for a butcher block countertop I recently did for a customer.

Worked as described. Easy to install and tighten.

Used this on a desk project. They hold my pieces with enough strength to hide the seams on the other side. The provided bit works perfectly as well.Small recommendation is to make the channels a bit wider than you need to give you space for adjustments. Once everything is lined up, tightening the bolts is simple and quick.The only cons I have for zipbolts are the thickness. Most bolts are quite deep, which lebes very little material between the top, but otherwise this is all you'd expected. I will definitely use then again, and strongly recommend!

Working blind with arm fully extended under a countertop, the Zipbolts made adjustments super easy. The shape of the adjustable end of the Zipbolt makes it easy to locate the hex socket and tighten or loosen the bolt without having to reset the screwdriver position unlike a nut and bolt style connector bolt.

Used these on the upper and lower countertop joints of a bar I was building. Worked perfectly... easy to access and tighten....

Used to connect two pieces of kitchen countertop and it worked great