ICCONS Trade Series diamond core bits are the economical option for diamond core bits. Whilst the trade series does not drill at speeds comparable to BBTecs Pro Series core bits, they are still host to a specially formulated diamond matrix resulting in fast drilling speeds in concrete, reinforced concrete, brick, tiles, blockwork and other masonry. The Trade Series bits have a 1 1/4 UNC Female Thread (Universal for most machines), long lasting 10mm high segments and are available in dimeters from 16mm to 230mm at 450mm in length. To ensure the most efficient, smooth and trouble free cut, these core bits are to be used with sufficient water (do not use dry). for an economical alternative to ICCONS BBTec Pro Series core bits, this Trade Series diamond core bits are the way to go!