Produce strong, accurate, and reliable internal threads with our professional-grade MIR series boring bars. Specifically engineered for the demands of internal thread cutting, these tools provide exceptional stability to create perfect thread forms in a wide range of materials. Whether you're working on standard fasteners or critical hydraulic fittings, the MIR system is the key to achieving flawless results and secure connections.
Optimized for Threading: Designed to withstand the unique cutting forces of threading operations, ensuring chatter-free performance and preventing torn or deformed threads.
Superior Rigidity: Available with [e.g., Solid Carbide or Hardened Steel] shanks that minimize deflection, allowing for precise control over pitch diameter and thread depth.
Versatile & Standardized: Compatible with common MIR-style threading inserts, enabling you to cut a vast array of thread types, pitches, and profiles with one holder.
Achieve Excellent Thread Quality: The stability of the tool ensures a smooth, high-quality surface finish on the thread flanks, leading to stronger and more reliable connections.
Through-Coolant Capable (Optional): Select models offer through-tool coolant delivery, which is critical for flushing chips out of the bore and extending insert life during threading.
The MIR boring bar is the definitive tool for:
Cutting internal Metric (M) and Imperial (UN, UNF) threads
Machining National Pipe Threads (NPT, NPTF)
Creating Whitworth (BSW) and Acme threads
Threading a wide range of materials, from aluminum to hardened steel
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