Description
The Irwin 3/4-16 NF x 1-7/16″ HCS Hex Die (6860ZR) is a precision tool designed for professionals and hobbyists who require reliable threading capabilities. Made from high carbon steel, this die is engineered for cutting new external threads or restoring damaged ones on bolts and rods. Its hexagonal shape allows for greater versatility in use, as it can be operated with a traditional die stock, a wrench, or even a socket, which is particularly useful in confined spaces. The right-hand thread direction and a specific 3/4-16 NF size make it a go-to tool for a wide range of maintenance and repair tasks. Each die features a clear etching of its size, ensuring quick and easy identification in any tool kit. This product is a testament to quality craftsmanship, providing a consistent and clean threading experience.
KEY FEATURES AND BENEFITS:
- Creates and Repairs Threads: This tool is specifically engineered for cutting new external threads or cleaning up damaged threads on screws, bolts, and rods, extending their lifespan and ensuring proper fit.
- High Carbon Steel Construction: The use of high carbon steel provides the die with the necessary hardness and resilience to withstand the rigors of thread cutting, resulting in a tool that offers both durability and consistent performance.
- Versatile Hexagonal Shape: The unique hex shape of the die allows it to be driven with a wrench or socket, providing a significant advantage when working in tight, hard-to-reach areas where a conventional die stock might be impractical.
- Clear and Permanent Sizing: The die’s size, 3/4-16 NF, is permanently etched onto the tool itself. This feature eliminates guesswork and saves time, ensuring you always select the correct die for your task.
- Right-Hand Threading: Designed for right-hand threads, which are the most common type, making this a practical and frequently used tool for general applications in workshops and repair jobs.
SPECIFICATIONS:
- Brand: Irwin Hanson
- Model Number: 6860ZR
- Thread Size: 3/4″-16 NF
- Thread Direction: Right Hand
- Material: High Carbon Steel (HCS)
- Outside Diameter: 1-7/16 inches (Across Flats)
HOW TO USE:
- Prepare the Rod: Select a rod or bolt with a diameter slightly less than the thread size of the die. Ensure the end of the rod is chamfered or beveled to help the die start properly.
- Secure the Die: Insert the hex die into a suitable die stock handle. Ensure the die is seated securely and aligned correctly. Alternatively, a wrench or socket can be used to hold the die, especially in limited spaces.
- Start Threading: Place the die squarely on the end of the rod. Apply firm, steady downward pressure while turning the die clockwise. It is crucial to keep the die straight and not at an angle to prevent uneven threads.
- Cut the Threads: Continue turning the die clockwise for a half-turn, then reverse direction for a quarter-turn. This back-and-forth motion helps break off and clear the metal chips, preventing the die from binding.
- Finish and Clean: Once the desired thread length is achieved, reverse the die completely to remove it from the rod. Use a wire brush to clean the newly cut threads and the die itself, removing any remaining metal shavings.
BENEFITS OF USING IRWIN 3/4-16 NF X 1-7/16″ HCS HEX DIE (6860ZR):
- Allows for quick and efficient repair of threads on existing hardware, saving the cost and time of replacing parts.
- The high carbon steel construction ensures the tool retains its sharpness and cutting ability over many uses, offering long-term value.
- Its hex design provides flexibility, allowing you to use a common wrench or socket, making it adaptable to various working conditions and available tools.
- The clear size marking on the die prevents errors and streamlines the tool selection process, improving workflow efficiency.
- This tool’s ability to cut clean, accurate threads ensures a secure fit for nuts and other fasteners, which is critical for structural integrity and proper assembly.
FEATURES:
- Advanced Die Geometry: Engineered for faster cutting and a longer lifespan.
- Clear Size Etching: Die size is permanently etched on the tool for easy identification.
- Right-Hand Threading: Designed for the most common thread direction.
- Hexagonal Shape: Can be used with a wrench or socket for added convenience.






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