Hellermann Tyton ALPA PA66 Locknut
- Hellermann Tyton 166-50135, The Hellermann Tyton 166-50135 is a Polyamide 6.6 (PA66) locknut from the ALPHA range. The locknut is supplied with a M20 Metric Thread. This locknut has been designed to accompany the HG-S Series of Conduit. The locknut is supplied in black. Hellermann Tyton 166-50135 ALPA-M20 ALPA PA66 Locknut