These Simturn E3 inserts can be used for internal or external whitworth threading applications. They are ground from K grade micrograin carbide to high tolerances for precision operations. The X800 grade is ideal for all-round use. Simturn E3 tooling is made by Simtek in Germany.
https://www.cutwel.co.uk/whitworth-simturn-e3-internal/external-full-profile-threading-inserts-simtek-simturn-e3-series-simturn-e3-whitworth-threading-inserts103325Whitworth Simturn E3 Internal/External Full Profile Threading Inserts - Simtek (Simturn E3 Series)https://www.cutwel.co.uk/media/catalog/product/s/i/simturn-e3-whitworth-threading-inserts-1.jpg30.1330.130000GBPInStock/Lathe Tools/Multifunctional Lathe Tools/Simturn E3 - Multifunctional Grooving, Turning & Threading System/Simturn E3 InsertsThese Simturn E3 inserts can be used for internal or external whitworth threading applications. They are ground from K grade micrograin carbide to high tolerances for precision operations. The X800 grade is ideal for all-round use. Simturn E3 tooling is made by Simtek in Germany. <ul><li>Simturn E3 Whitworth Threading Inserts</li>
<li>X800 grade ideal for all round general purpose use (other grades please enquire)</li>
<li>Made from K grade micrograin carbide</li>
<li>Ground to high tolerances for precision grooving</li>
<li>Compatible with Horn Tools</li>
<li>Multifunctional Internal and External Machining System</li>
<li>Made by German manufacturer Simtek</li></ul>GBP00SIMTURN-E3-WHITWORTH-THREADING-INSERTS