Circular Die Set Bohrcraft 42001410007, HSS-G, MSR 8, 8 pcs, M3–M12 is engineered for external threading on a wide range of machinable materials with tensile strength up to 800 N/mm². The set contains eight circular dies covering metric thread sizes from M3 to M12, making it suitable for general mechanical engineering, repair, and maintenance tasks. Each die is manufactured from high-speed steel (HSS-G), ensuring precision and consistent performance in threading operations. The dies are designed according to ISO DIN 13 standards, which specify the geometry and tolerances for metric ISO threads, ensuring compatibility and reliability in industrial applications.
The dies in this set are of Form B, meaning they are closed and preslotted. This design facilitates chip removal and helps maintain thread quality during cutting. The external diameter of each die is 25 mm, with a thickness of 9 mm, providing a compact profile that fits standard die holders. Die set is packaged in a mini box, offering organized storage and easy transport for field or workshop use. The inclusion of all common metric sizes from M3 to M12 allows for flexibility in handling a variety of threading tasks without the need for multiple separate tools.
With its robust construction and adherence to recognized standards, the Bohrcraft 42001410007 set is a practical choice for professionals seeking reliable threading tools for routine and demanding jobs alike. The preslotted, closed die form supports smooth operation and helps extend tool life by reducing clogging and ensuring uniform chip flow.
This set is constructed from high-speed steel (HSS-G), providing durability and precision for threading applications. The dies are preslotted and closed (Form B), which assists in chip evacuation and helps maintain thread accuracy. Each die is dimensioned at 25 mm outer diameter and 9 mm thickness, suitable for standard holders. The set covers the most frequently used metric thread sizes, making it versatile for various mechanical and maintenance operations.
The technical configuration of this set is tailored for efficient external threading, with each die supporting reliable chip flow and thread finish. The range of sizes included addresses the majority of metric threading needs in general engineering and repair environments.
The dies comply with ISO DIN 13, the standard for metric ISO threads. This ensures that threads produced are compatible with widely used fasteners and components in industrial, automotive, and machinery applications. The closed, preslotted Form B design is recognized for its effectiveness in maintaining thread integrity and minimizing tool wear.
By adhering to these standards, the set provides consistent results and fits seamlessly into existing workshop tooling systems. The preslotted feature further enhances operational efficiency by reducing interruptions due to chip buildup.
This die set is commonly used for cutting external threads on rods, bolts, and shafts in mechanical workshops, maintenance departments, and repair facilities. It is suitable for threading operations on materials with tensile strength up to 800 N/mm², including mild steel and similar machinable alloys. The range of sizes makes it adaptable for tasks such as equipment assembly, repair of threaded components, and custom fabrication.
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