The Baer Circular Die HSS – Metric Fine, Right Hand, M40 x 3.0 is a precision external-threading tool designed for general metalworking use. Built for reliable performance in workshops and professional shops, it delivers clean, accurate threads on cylindrical stock when paired with a standard die stock.

• Material: High-Speed Steel (HSS) construction for durability and wear resistance.
• Thread size: M40 x 3.0 metric fine pitch with right-hand threading for standard assemblies.
• Cutting edges: Precisely ground edges to ensure consistent thread form and smooth engagement with mating parts.
• Compatibility: Designed to work with common die stocks for easy rotation and controlled cutting pressure.
• Applications: Ideal for large-diameter shafts, fittings, and fasteners across steel and other common metals.

This circular die enables quick, reliable thread creation with minimal rework. Its durable HSS construction stands up to repeated use in everyday shop work, while the metric fine pitch delivers a tight, well-formed thread that improves fit and longevity of threaded connections. With proper setup in a die stock, you can achieve stable cutting action and consistent results across multiple components, making it a dependable choice for fabricators, automotive enthusiasts, and maintenance professionals alike.