Baer Circular Die HSS UNF Left-Hand 1/4 x 28 is a precision external threading tool designed for general metalworking. It’s ideal for machinists, fabricators, and DIYers who need reliable left-hand threads on cylindrical stock.

• Material: High-speed steel (HSS) construction for durability and wear resistance during repeated threading tasks.
• Thread specification: 1/4"-28 UNF left-hand thread, suitable for applications requiring reverse-threaded fasteners.
• Cutting edges: Precisely ground edges deliver clean, accurate thread formation and smooth engagement with mating parts.
• Diameter: 1/4 inch nominal diameter aligns with standard threading stock and tooling setups.
• Compatibility: Designed for use with standard die stocks or die holders to control rotation and ensure consistent cuts.
• Application: General-use circular die appropriate for a variety of materials with proper lubrication and setup.

This Baer circular die helps you produce dependable left-handed threads on shafts and rods, reducing rework and ensuring a solid fit with corresponding components. The combination of HSS construction and precision-ground cutting edges provides long tool life and repeatable results across multiple projects, whether you’re rebuilding machinery, fabricating fixtures, or fabricating custom fasteners. For best results, pair with a compatible die stock and light cutting fluid to maintain smooth operation and accurate thread form.