This Trend HSSE Single Flute Helical Upcut Cutter features a 4mm diameter with a 12mm cut length and 8mm shank, making it one of the finer diameter options in the range and ideal for narrow slot profiles and precision recessing work in aluminium and uPVC extrusions. The 4mm cutting diameter is particularly useful for tight-tolerance apertures in window and door components. The single flute helical upcut geometry ensures a clean shearing cut with fast and efficient waste clearance, producing accurate results even in demanding anodised materials. The 8mm shank provides excellent support and minimises deflection during CNC routing operations. Manufactured from special grade HSSE for extended tool life on abrasive anodised surfaces. Always use with a coolant, wax stick, or lubricant, and ensure the workpiece is securely clamped. Features and Benefits: • 4mm diameter for narrow slots and tight-tolerance apertures • Single flute helical upcut for a clean shearing cut and fast chip clearance • HSSE grade for enhanced durability on abrasive anodised finishes • 8mm shank for increased rigidity and support under load • Suitable for aluminium, anodised duralumin, and uPVC • 'K' mark shank for safe working practices Specifications: Diameter Cut: 4mm Cut Length: 12mm Shank Diameter: 8mm Overall Length Metric: 60mm Type or Grade: Up-cut

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