Baer Circular Die in HSS with UNEF threading is a precision external threading tool designed for general-use metalworking. Built for machinists, hobbyists, and workshop professionals, it delivers clean, repeatable threads on cylindrical workpieces.

• Material: High-speed steel (HSS) construction for durability and the ability to resharpen for long tool life.
• Thread form: UNEF (Unified National Extra Fine) external threads for precise engagement on small-diameter parts.
• Size and pitch: 1/2" diameter with 28 threads per inch (1/2 x 28).
• Handedness: Right-hand cut for standard threading operations.
• Compatibility: Designed for use with a die stock or die holder to provide controlled rotation and consistent cutting action.
• Cutting edges: Precisely ground teeth for smooth, accurate thread formation and reliable mating with nuts and fittings.

With the Baer Circular Die, you can reliably create or repair external threads on shafts, rods, and other cylindrical parts. The robust HSS material holds up to repeated sharpening, reducing tooling costs over time. The 1/2"-28 UNEF pitch is ideal for fine-thread applications that require tighter engagement and smoother operation with mating components. When paired with a die stock, this tool offers steady guidance, minimizes chatter, and yields consistent thread profiles across projects—from automotive and hardware to DIY machining.