Baer Circular Die HSS – Metric Coarse, Left-Hand, M45 x 4.5 – is a precision external-threading tool designed for general metalworking. It delivers reliable, clean left-hand threads on cylindrical stock, making it a dependable choice for workshops, fabrication shops, and DIYers who value consistency.

• Material: High-Speed Steel (HSS) circular die for durability, heat resistance, and long tool life.
• Thread Type: Metric coarse thread with a 4.5 mm pitch, sized M45 x 4.5 for robust fasteners.
• Thread Direction: Left-hand configuration tailored for applications requiring reverse-threading or opposite-rotation assembly.
• Use Case: External threading on cylindrical workpieces; ideal for fabricating or repairing left-handed assemblies.
• Compatibility: Designed to be used with a die holder or die stock to enable controlled, smooth cutting.
• Cutting Quality: Precisely ground cutting edges and accurate circular geometry to ensure clean, repeatable threads.

This Baer die delivers on real-world needs: it helps you quickly create secure, properly formed left-hand threads without undercut or burrs, reduces rework, and works across a range of general-purpose machining tasks. Its robust HSS construction stands up to repeated use in metalworking environments, making it a reliable choice for both professional shops and serious hobbyists.