This holder is for holding both 19mm & 31.75mm weldon shank rotary cutters * Hardened and precision ground * Holds cutters Broach 60 - 100.0mm * Most economical way of drill large diameter holes

* This locating pin fits through the centre of the rotary cutter and acts as a locator when starting a drilling operation * Different size pins are required for different size cutters *

* These locating pins are to suit rotary cutters with 8.0mm bore * All pins are hardened and ground

* Dimac annular cutters are manufactured from HSS-M2 for durability and long service life * These annular cutters have precision-ground flutes to provide efficient chip clearance * This increasing drilling productivity and decreasing cutter breakage * Manufactured of hardened high-speed tool steel, these cutters produce a burr-free finished hole without predrilling or stepdrilling