Machine Nut Tap FZ HSS-G - Tr 30 x 6 by VÖLKEL, item no. 79156, suitable for cutting internal threads.
This product is used for thread cutting or thread restoration in workshop and service environments. To get consistent results, align the tool axis and prepare the workpiece correctly before you start.
Tr identifies trapezoidal threads typically used for lead screws, spindles, and power transmission. HSS-G indicates ground high speed steel, typically used when you need a clean profile and stable tool guidance.
Note Verify the workpiece preparation before you start and stop if torque increases unexpectedly.
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| Type of thread | metric ISO- trapezoidal thread |
|---|---|
| Standard | DIN |
| Material | HSS-G |
| Tolerance | 7H |
| Size | Tr 30 x 6 |
| Overall length (L1) | 290 mm |
| Thread length (L2) | 185 mm |
| Core hole diameter (D1) | 24.25 mm |
| Shank diameter (D2) | 22.0 mm |
| Drive connector | 18.0 mm |
| EAN | 4022835791560 |
| Item number | 79156 |
| Type of flute | straight fluted |
| Application | for through holes |
| Thread standard | DIN 103 |









