Virtually any devise that mounts on a rack, data cabinet, or hinge wall bracket, mounts with either a 10/32 or a 12/24 bolt. The product on this page has a 12/24 thread. Of the two (10/32 and 12/24) the 10/32 has a finer (more threads per inch) thread. These bolts are black in color and include a soft washer. Sold in bags of 50 bolts.