Baer Circular Die HSS – BSW – Left Hand – 9/16 x 12 is a high-precision tool for creating external threads on cylindrical stock. Designed for general-use machining, it delivers reliable, clean thread formation across a wide range of metalworking tasks.

• Material: High-Speed Steel (HSS) construction for durability and sharp cutting edges.
• Thread type: Left-hand BSW (British Standard Whitworth) threads for specific assemblies and reverse-thread requirements.
• Size: 9/16 inch diameter with 12 threads per inch (9/16 x 12 TPI).
• Cutting edges: Precisely ground to ensure accurate thread form and smooth engagement with mating parts.
• Compatibility: Designed to be used with standard die holders or die stocks for controlled rotation and consistent cutting.
• Durability: Robust circular die body built to withstand repeated use in busy workshops.

This Baer die helps you cut dependable external threads quickly and consistently, making it ideal for fabricating or repairing shafts, fittings, and fasteners that require a left-hand thread. The combination of HSS material and precision grinding reduces chatter and wear, improving thread engagement and reducing downtime in repetitive threading tasks. Whether you’re setting up a lathe job, performing on-site repairs, or building custom components, this die provides reliable performance and straightforward operation with a standard die stock.