Description
Product Overview
The Burkit 1/4-28 UNF round threading die is engineered for high‑precision external thread formation. Constructed from alloy tool steel, it delivers a hardness that resists wear and maintains sharp cutting edges. With a 28 teeth‑per‑inch (TPI) configuration, the die produces accurate UNF threads in a right‑hand direction, suitable for a wide range of industrial and scientific applications. Its compact 1/4‑inch cutting diameter and lightweight design (0.352 oz) ensure easy handling, while the silver finish provides clear visual identification.
Usage
Designed for both repair and new‑thread creation, this die integrates seamlessly with standard die wrenches or can be mounted on a lathe mold base for automated operations. Ideal for technicians, machinists, and hobbyists who need reliable thread cutting on bolts, rods, and fittings. Use in environments such as automotive workshops, aerospace component repair stations, and general manufacturing floors. 
Why Choose Us
Burkit combines decades of tooling expertise with rigorous quality control. Each die undergoes a 2A accuracy class verification, guaranteeing dimensional consistency across batches. The alloy tool steel composition offers superior hardness and wear resistance, extending tool life compared to carbon‑steel alternatives. Our packaging includes clear labeling and protective padding to prevent damage during shipping, ensuring the die arrives ready for immediate use.
Key Features
- Alloy tool steel construction for high hardness and wear resistance
- 28 TPI right‑hand cutting provides precise UNF threads
- Compact 1/4‑inch cutting diameter for tight spaces
- Compatible with standard die wrenches and lathe bases
- 2A accuracy class ensures consistent thread dimensions
FAQ
What material is the die made from?
The die is forged from high‑quality alloy tool steel, offering excellent hardness and durability for repeated use.
Can this die be used on a lathe?
Yes, the die can be mounted on a lathe mold base for automated threading, as well as used manually with a die wrench.
How should I maintain the die for longest life?
Apply appropriate lubricating oil to the cutting edges during use and clean the die after each operation to prevent buildup of metal chips.
Is the die right‑hand or left‑hand cutting?
This model is a right‑hand cutting die, suitable for standard UNF thread applications.
What is the accuracy class of this die?
The die meets the 2A accuracy class, ensuring high dimensional precision for critical threading tasks.




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