Thread mill with 3 flutes
3 Tooth Thread Mill Complete Product Parameters
Item | Specification |
Product Name | 3-Tooth Solid Carbide Thread Milling Cutter |
Applicable Standard | Metric ISO Standard (M3-M20) |
Tool Material | Ultra-fine Grain Tungsten Carbide |
Surface Coating | TiAlN / TiSiN (Heat-resistant & Wear-resistant) |
Processing Accuracy | IT6-IT7 Grade |
Max Machining Hardness | HRC 45 |
Applicable Thread Type | Internal & External Metric Threads |
Optimal Thread Depth | 1D - 3D (Medium depth thread) |
Processing Method | CNC Helical Interpolation Milling |
Customization | Support non-standard pitch, size and coating customization |
Recommended Pilot Hole Diameter (Common Sizes)
Accurate pilot hole size is the key to qualified thread processing. The standard recommended hole diameters for common metric coarse threads are as follows:
Thread Specification | Standard Pitch | Pilot Hole Diameter (Steel/Stainless Steel) | Pilot Hole Diameter (Aluminum Alloy) |
M6 | 1.0mm | Φ5.0mm | Φ4.95-5.0mm |
M8 | 1.25mm | Φ6.8mm | Φ6.75-6.8mm |
M10 | 1.5mm | Φ8.5mm | Φ8.45-8.5mm |
M12 | 1.75mm | Φ10.2mm | Φ10.15-10.2mm |
Applicable Machining Materials
This 3-tooth thread mill covers most common industrial metal materials, with stable and reliable processing performance:
- Carbon Steel & Structural Steel: 45# steel, Q235, Q355, etc.
- Stainless Steel: 304, 316, 316L common stainless steel
- Alloy Steel & Tempered Steel: HRC 28-45 tempered alloy steel
- Light Alloy: 6061, 7075 aluminum alloy, magnesium alloy
- Cast Iron: Gray cast iron, ductile iron