BurrFree drills from E-Z Burr are available in standard fractional and metric sizes to produce holes of 0.374-inch (9.5 millimeter) diameter and larger. The company says its drills combine drilling and deburring operations in one pass, deburring both the front and rear of holes. BurrFree drills feature the company's insert adjustment for changing the chamfer size, quick-changing locking systems and replacements for worn cutting inserts. www.ezburr.com