Machine Nut Tap FZ HSS-G left hand thread - Tr 10 x 3 LH by VÖLKEL, item no. 79112-L, suitable for cutting internal threads.
You cut internal threads in nuts and similar short parts with a machine nut tap. It is designed for machine driven threading where repeatability and throughput matter.
Match the tap to the nut thread requirement and use a stable machine holder for alignment. Keep lubrication consistent and remove chips to avoid scoring and oversize threads.
Note Clamp the nut securely and align the tool to avoid cross threading. Use a stable feed to control chip load.
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| Type of thread | metric ISO- trapezoidal thread |
|---|---|
| Standard | DIN |
| Material | HSS-G |
| Tolerance | 7H |
| Size | Tr 10 x 3 LH |
| Overall length (L1) | 125 mm |
| Thread length (L2) | 75 mm |
| Core hole diameter (D1) | 7.5 mm |
| Shank diameter (D2) | 7.0 mm |
| Drive connector | 5.5 mm |
| Item number | 79112-L |
| Type of flute | straight fluted |
| Application | for through holes |
| Thread standard | DIN 103 |









