IMEX is the main supplier of large diameter diamond blades to the prestress / hollow-core concrete industry. There are numerous brands of hollow-core lines and all have discovered that IMEX out cuts and out lasts all other competitors blades. Please contact us so we can determine the best bond set up for your region and product. We already have your particular arbor opening and understand how important support is when you make the decision to run someones blades. IMEX knows at the end of the day we need to make the saw operator happy and your accounting office as well. We will do that.