HOFFMANN - 139132
产品规格
139132 Series High-Performance Fluteless Taps
TiAlN-Coated HSS-E Thread Forming Tools
Precision Thread Forming
The 139132 series represents a professional line of fluteless taps (thread formers) designed for high-efficiency thread production. These tools utilize a cold-forming process rather than cutting, which results in stronger, work-hardened threads. Coated with TiAlN for superior heat resistance and built from HSS-E, these "Green Ring" taps are optimized for reliable performance in various materials.
Key Technical Specifications
- • Process: Fluteless thread forming (cold forming).
- • Material: Durable HSS-E with TiAlN coating.
- • Standard: DIN 2174 (Form C).
- • Tolerance: ISO 2X 6HX.
- • Application: Through holes up to 1.5×D depth.
| Size | Pitch | Guide Hole |
|---|---|---|
| M2 | 0.4 mm | 1.85 mm |
| M3 | 0.5 mm | 2.8 mm |
| M5 | 0.8 mm | 4.65 mm |
| M8 | 1.25 mm | 7.45 mm |
Usage Notes
Because these are fluteless taps, they do not produce chips. It is critical to use the correct guide value for the tapping hole to ensure the material has sufficient room for the displaced metal during the forming process.
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