HSSE Forming Tap(Cobalt)
HSS-E Chipless Thread Forming Taps M3-M16
Technical Specifications
Thread Size | Pitch (mm) | Thread Tolerance | Overall Length (mm) | Shank Diameter (mm) | Tooth Length (mm) | Square Width (mm) |
M3 | 0.50 | 6H | 48 | 3.5 | 9 | 2.7 |
M4 | 0.70 | 6H | 53 | 4.5 | 11 | 3.4 |
M5 | 0.80 | 6H | 56 | 6.0 | 13 | 4.9 |
M6 | 1.00 | 6H | 63 | 6.0 | 15 | 4.9 |
M7 | 1.00 | 6H | 63 | 7.0 | 15 | 5.9 |
M8 | 1.25 | 6H | 70 | 8.0 | 17 | 6.2 |
M10 | 1.50 | 6H | 76 | 10.0 | 20 | 8.0 |
M12 | 1.75 | 6H | 82 | 9.0 | 22 | 7.0 |
M14 | 2.00 | 6H | 90 | 11.0 | 24 | 9.0 |
M16 | 2.00 | 6H | 90 | 12.0 | 24 | 10.0 |
Recommended Pre-Drill Size Chart
Optimal hole size for roll forming process, ensuring standard thread fill rate and low tapping torque
Thread Size | Standard Pitch (mm) | Recommended Pre-Drill Size (mm) |
M3 | 0.50 | 2.80 |
M4 | 0.70 | 3.70 |
M5 | 0.80 | 4.60 |
M6 | 1.00 | 5.50 |
M7 | 1.00 | 6.50 |
M8 | 1.25 | 7.40 |
M10 | 1.50 | 9.30 |
M12 | 1.75 | 11.10 |
M14 | 2.00 | 12.90 |
M16 | 2.00 | 14.90 |
Applicable Machining Materials
- Stainless Steel: 304, 316, 316L, 430, 201, duplex stainless steel (low-medium hardness)
- Alloy Steel: 42CrMo, 34CrNiMo6, 40Cr, SCM435, quenched and tempered alloy steel ≤35HRC
- Carbon Steel: Mild steel, medium carbon steel, high carbon steel, cold-forged annealed steel
- Non-Ferrous Metals: Aluminum alloy, brass, copper, zinc alloy, easy-to-form ductile metals
Application Scenarios
- High-volume Automated CNC Production: Stable performance for long-time continuous tapping, reduce tool replacement frequency
- Precision Electronic & 3C Industry: High-precision small thread processing for electronic shells, connectors, and precision hardware
- Automotive & Motorcycle Parts: Thread machining for auto fasteners, hydraulic parts, and structural components
- Medical & Sanitary Equipment: Smooth and high-strength threads for stainless steel medical fittings
- Deep Hole & Blind Hole Machining: No chip blockage risk, ideal for closed cavity and deep hidden hole threading
- Mold & Mechanical Hardware: Universal threading for various mechanical assembly parts and mold accessories