7/16" UNF 1" OD HSS Die
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HSS UNF (Unified National Fine) Dies are high‑precision threading tools engineered for cutting, repairing, and restoring fine‑pitch imperial threads. Manufactured from durable high‑speed steel, these dies deliver exceptional hardness, wear resistance, and long service life, ensuring clean, accurate thread reproduction on a variety of workshop metals including mild steel, stainless steel, brass, and aluminium. Fine‑pitch UNF threads are widely used in automotive, aerospace, mechanical engineering, and high‑precision assemblies where a tighter thread engagement enhances strength, vibration resistance, and sealing reliability. HSS UNF dies provide smooth cutting performance and accurate thread geometry, making them ideal for producing new threads or restoring damaged fasteners in both workshop and field‑service environments. Available in multiple outside diameters for compatibility with various die stocks and cutting setups, UNF dies offer reliable performance across both light‑duty and heavy‑duty tasks.
- High‑speed steel construction delivers superior hardness, durability, and cutting edge retention
- Precision‑ground cutting edges ensure clean, accurate, and consistent fine‑pitch UNF threads
- Designed for producing and repairing imperial fine threads used in high‑precision assemblies
- Excellent performance on mild steel, stainless steel, aluminium, brass, and workshop metals
- Smooth cutting action reduces heat buildup, friction, and binding during use
- Compatible with standard die stocks and machine holders for flexible operation
- Ideal for automotive, aerospace, fabrication, mechanical engineering, and maintenance tasks
- Enhances fastener strength and vibration resistance due to tighter UNF thread form
- Supports both small‑scale and large‑format threading applications
- Professional‑grade tooling suitable for workshops, technicians, and industrial environments
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