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High precision solid carbide internal thread turning tools for CNC lathes.
Strong wear resistance, long tool life, and stable performance for accurate internal threading.
A solid carbide internal thread turning tool, also called a carbide threading bar or carbide internal threading tool, is used for cutting internal threads inside holes. It is made of solid tungsten carbide for high strength, long wear life, and excellent cutting performance. This tool is widely used on CNC lathes and turning centers for precision threading of various metals.
Product Features and Benefits
- High accuracy: Ensures clean, precise internal threads.
- Strong and durable: Solid carbide body resists wear and heat during continuous cutting.
- Stable cutting: Excellent rigidity reduces vibration and improves thread quality.
- Versatile use: Works well on steel, stainless steel, aluminum, copper, and cast iron.
- Long tool life: Keeps sharp edges longer, saving replacement costs.
Technical Specifications (Customizable)
| Ordering Code | Pitch | L/mm | D/mm | L1/mm | Angle | H/mm | d/mm | Min. Dia./mm |
|---|---|---|---|---|---|---|---|---|
| MIR1.5 L5 A60 | 0.25-0.4 | 50 | 4 | 5 | A60 | 0.4 | 1.4 | 1.5 |
| MIR2 L5 A60 | 0.25-0.5 | 50 | 4 | 5 | A60 | 0.5 | 1.9 | 2.1 |
| MIR2.5 L8 A60 | 0.25-0.6 | 50 | 4 | 8 | A60 | 0.6 | 2.4 | 2.6 |
| MIR3 L10 A60 | 0.4-0.8 | 50 | 4 | 10 | A60 | 1 | 2.9 | 3.1 |
| MIR4 L10 A60 | 0.4-1.0 | 50 | 4 | 10 | A60 | 1.2 | 3.9 | 4.1 |
| MIR4 L15 A60 | 0.4-1.0 | 50 | 4 | 15 | A60 | 1.2 | 3.9 | 4.1 |
| MIR5 L15 A60 | 0.4-1.5 | 50 | 5 | 15 | A60 | 1.5 | 4.9 | 5.1 |
| MIR5 L22 A60 | 0.4-1.5 | 50 | 5 | 22 | A60 | 1.5 | 4.9 | 5.1 |
| MIR6 L15 A60 | 0.4-1.75 | 50 | 6 | 15 | A60 | 1.8 | 5.9 | 6.1 |
| MIR6 L22 A60 | 0.4-1.75 | 50 | 6 | 22 | A60 | 1.8 | 5.9 | 6.1 |
| MIR8 L15 A60 | 0.8-2.0 | 60 | 8 | 15 | A60 | 2.2 | 7.9 | 8.1 |
| MIR8 L22 A60 | 0.8-2.0 | 60 | 8 | 22 | A60 | 2.2 | 7.9 | 8.1 |
| MIR10 L30 A60 | 1-2.5 | 75 | 10 | 22 | A60 | 3 | 9.9 | 10.1 |
| MIR3 L10 A55 | 0.4-0.8 | 50 | 4 | 10 | A55 | 1 | 2.9 | 3.1 |
| MIR4 L10 A55 | 0.4-1.0 | 50 | 4 | 10 | A55 | 1.2 | 3.9 | 4.1 |
| MIR4 L15 A55 | 0.4-1.0 | 50 | 4 | 15 | A55 | 1.2 | 3.9 | 4.1 |
| MIR5 L15 A55 | 0.4-1.5 | 50 | 5 | 15 | A55 | 1.5 | 4.9 | 5.1 |
| MIR5 L22 A55 | 0.4-1.5 | 50 | 5 | 22 | A55 | 1.5 | 4.9 | 5.1 |
| MIR6 L15 A55 | 0.4-1.75 | 50 | 6 | 15 | A55 | 1.8 | 5.9 | 6.1 |
| MIR6 L22 A55 | 0.4-1.75 | 50 | 6 | 22 | A55 | 1.8 | 5.9 | 6.1 |
| MIR8 L15 A55 | 0.8-2.0 | 60 | 8 | 15 | A55 | 2.2 | 7.9 | 8.1 |
| MIR8 L22 A55 | 0.8-2.0 | 60 | 8 | 22 | A55 | 2.2 | 7.9 | 8.1 |
How to Use
Install the carbide threading bar securely in the tool holder. Align the tool with the workpiece center. Choose the correct insert type and pitch according to the thread specification. Use suitable cutting speed, feed, and coolant to ensure a smooth surface and longer tool life.
Common Questions
Q1: How do I choose the right carbide threading tool?
A: Select the tool size based on the thread diameter and pitch. Make sure the shank fits your lathe holder.
Q2: Can it cut different thread types?
A: Yes. It can cut internal metric, UNC, UNF, and other standard threads. You only need the matching insert.
Q3: What materials can I machine with this tool?
A: It is suitable for many materials such as carbon steel, alloy steel, stainless steel, and aluminum.
Q4: How can I extend tool life?
A: Use proper cutting parameters, reduce vibration, and apply cutting oil or coolant when needed.
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