Two Pack M3 Straight Shank Counterbore End Mills With Four Flutes High Speed Steel For CNC Machining 6mm Shank 6.5mm Cutting Edge 3.2mm Guidepost About 45mm Length Delivers Smooth Finishes And Durable Metalworking Performance
✔️ 2 pcs, four-flute HSS end mills, 6mm shank, 6.5mm edge
These end mills are built for precise counterboring and spot-facing in CNC milling. Made from high-speed steel, they deliver dependable toughness and smooth finishes on metal parts, making them ideal for aluminum and steel workflows.
✅ Material: High-Speed Steel (HSS) for durability
✅ 4-flute design enables higher feed rates and smoother finishes on side walls
✅ Precision countersink creates flat bottoms and accurate screw seating
✅ Guidepost diameter 3.2 mm; cutting edge diameter 6.5 mm
✅ Shank diameter 6 mm; overall length about 45 mm
✅ Pack size: 2 pieces
💡 What is a counterbore end mill used for in CNC machining? A handy tool for shaping flat-bottom counterbores and precise screw seating in metal parts. - For creating flat-bottom counterbores and screw seating in metal parts in CNC projects - 4-flute design yields smoother finishes on side walls and improved chip control - HSS tools offer toughness for intermittent cutting and longer tool life