The Baer Round Cutting Die UNF 9/16 x 18 - HSS, Left Hand, is a precision circular die designed for general-use external threading on cylindrical stock. It’s ideal for machinists and shop floors that require consistent left-hand UNF threads.

• Material: High-speed steel (HSS) construction for durability and long service life.
• Thread Type: UNF (Unified Fine) left-hand thread, 9/16" diameter with 18 threads per inch.
• Diameter/Interface: 9/16" external diameter compatible with standard die stocks and die holders for controlled rotation.
• Cutting Edges: Precisely ground edges to deliver clean, accurate thread forms with minimal chatter.
• Compatibility: Designed for use with common die stocks, enabling effortless rotation and consistent cutting action.
• Applications: Suitable for general-purpose external threading on a range of metals when used with proper lubrication and alignment.

Benefits: This die provides reliable, repeatable thread formation, reducing rework and ensuring a secure fit with mating parts. Its durable HSS construction stands up to regular use in workshops, restorations, and prototype work, making it a dependable choice for creating left-hand UNF threads where specific hardware or assemblies require this standard. When paired with a compatible die stock, it delivers smooth operation, precise thread pitch, and lasting performance across multiple projects.