The Dormer Pramet C80 21.0 mm T-slot cutter is a precision HSS-E tool designed for reliable T-slot milling in steel, cast iron, and other metals. With a screwed 12 mm shank and DIN 851 conformity, it’s built for secure mounting and consistent performance in industrial settings.

• Diameter: 21.0 mm
• Depth of cut: 9 mm
• Overall length: 74 mm
• Shank: 12 mm combi shank with Weldon flat and thread for secure clamping
• Material: Cobalt-based HSS-E with bright finish for enhanced wear resistance
• Teeth: 8 cutting edges for efficient material removal
• Helix angle: 15° to improve chip evacuation and surface finish
• Rake angle: 10° to optimize cutting action across metals
• Standard: DIN 851, suitable for DIN-compliant T-slot milling
• Applications: T-slot milling in steel, cast steel, stainless steel, cast iron, non-ferrous metals, and high-temperature alloys

This cutter is designed to deliver precise, clean T-slots with dependable stability when paired with compatible milling machines. The 8-tooth geometry reduces cycle times while maintaining accuracy, and the cobalt-based HSS-E construction provides improved wear resistance for longer tool life in demanding metals. The combination of a Weldon-flat thread-enabled shank and a DIN 851 specification ensures compatibility with standard toolholding systems and secure retention during heavy milling tasks. Ideal for workshop benches, machine beds, and fixture plates, it enables efficient production runs and repeatable results across a range of metalworking projects.