Tooling for use on webbed aluminium & UPVC extrusions by window & door fabricators. Cutters are produced in special high speed steel (HSSE) to ensure a clean cut & resist the abrasive nature of anodised aluminium extrusions. Cutters are designed to plunge & machine or mill lateral slots. All aluminium tooling should be used with a coolant wax stick or lubricant. Material should be securely clamped, tooling should be used with a coolant wax stick or lubricant. HSSE. One Flute helical Plunge-slotting bit. 8 mm. Shank. D = 8 mm. C = 14 mm. OL = 120 mm.