Trend Professional HSS Router Cutters 55/08X8MMHSS - Spiral Up-Cut (Right Hand) 8mm Diameter x 19mm Cut Key Features: Ideal for softwoods where a fine finish is required, the upcut prevents burning in plunge cuts Up-cut spiral tools will give a fine finish and have long shanks Refs. 50/33 and 55/08 are also suitable for non-ferous metals and are designed to plunge and machine or mill lateral slots All aluminium tooling should be used with a coolant, wax stick or lubricant Material should be securely clamped Specification: D: 8 mm (metric diameter) C: 19 mm (metric cut length) OL: 80 mm (overall length) Shank Diameter: 8 mm Recommended speed: 10000-120000 rpm