These 5mm pin support sleeves are the ideal companion for our 5mm Shelf Pin Supports to add strength to your adjustable cabinet shelving. Sleeves require a 7/32'' diameter hole, 5/16'' deep. Sold in packs of 16.
I have used different finished shelf pin sleeves depending on the finish color for years with no problems (using the Rockler jig & self centering bit. The only problem (?) I've encountered is that the drill bit got dull. Then I realized that I had been using the bit for about 8 years: DUH! Iamm order ing 2 new bits today! Great product! (besides, I,ve not seen these things at Home Depot, Lowes, or Ace Hardware)
After reading previous reviews, I was hesitating to use these, so I bought one bag each of 5mm pins & sleeves and did a test on a piece of 3/4" birch ply, same as I intend to use for my project. I used a 7/32 brad point drill (from the full rocker set, which I have had for a few years) mounted it in a drill press (to assure dead-straight holes) and found a nice fit. I could just barely set the inserts into the top of the drill holes, and then tapped them home with a nylon-tipped lightweight hammer. No way are those falling out. I then mounted the shelf pins and attempted to measure the deflection from 45 degrees. My process was a bit inexact, but generally, the droop was between 2.5 and 4 degrees. Since I won't be able to use the drill press for my project, I then predrilled a squared off piece of 2x4 (through the 2" thickness) with the 7/32 drill, and used that to guide some more holes done with my hand drill. Same result. If the shelves are cut to the correct width, they will prevent pins from slipping out (although I did not see such extreme looseness, I would expect these to work OK. Note I have not done the project yet (an 8' x 8' bookcase), but I am confident enough to proceed. I will, based on other users' experiences, however, do a test on each bag to make sure the inserts & pins perform as in my test. By the way you can buy more expensive (very beautiful solid brass) inserts from another source, but they are VERY pricey, almost 3x the cost of Rockler. If I needed less hardware, I would consider them.
Pins available to me and the measurement of existing holes match the inner and outer stated dimensions of these sleeves. I expected a perfect fix. In fact, the pins readily slip from the sleeves and the sleeves from the holes. Adjusted by adding wooden slivers aside the pins, and when necessary, aside the sleeves. So they should help but may not prove a perfect fix.
Quality of the sleeves is good, outside diameter (OD) is wrong!
The instructions for this sleeves state to drill a 7/32" hole and tap in the inserts. When I did this, the sleeves slipped into the drilled holes without any resistance. Measuring the OD with my caliper showed that the OD of the sleeves is exactly 7/32" as well. You may think this was one part that was manufactured out of spec, but I installed 5 bags of 16 (80 parts) and all had the same problem. When I contacted Rockler customer support, the person there told me to buy some CA glue, and glue these in place. Wow, was I surprised!!! Well, that too didn't work too well, as the weight of the shelves would eventually pull the sleeves out. I ended up taking out all 80 sleeves, shimming the hole with slivers of thin cut oak, and then adding some CA glue and tapping these in place. What a pain in the... well, you get the idea. Very disappointed that Rocker didn't appear to care about the quality of this product. I wouldn't advise anyone to purchase these from Rocker!