Single point threading inserts (also known as screw cutting inserts) for internal right hand thread turning of NPT threads. These inserts have a high quality ground substrate with a TiAlN coated VTX grade for multi-purpose threading of Steel, Stainless Steel, Cast Iron, Non-Ferrous, Exotics and Hardened Steel. Vardex threading inserts are fully compatible with other manufacturers holders. Vardex from Vargus is the market leading range of thread turning tools with the largest choice of insert pitches and sizes.
We are open Monday to Friday and able to dispatch orders between 8am and 6pm (up to 5.30 pm on Fridays).
What delivery services do we offer?
To mainland UK we offer FREE UK next day delivery on all orders above £59 ex vat*. For orders under £59 ex vat we offer the following:
1st class post - £2.49
DPD Standard Next Day Delivery - £6.50
DPD Next Day Pre-12pm - £9.50 or (£5.00 on orders over £59*)
DPD Next Day Pre-10.30am - £17.00
Fluid Orders - FREE UK next day delivery on all orders above £79 ex vat*. For orders under £79 - £8
We also offer Saturday delivery for those that require it. If you order before 5.30 pm on a Friday we offer a range of options including all day Saturday, pre12pm and pre10.30am. Please see our delivery page for more information.
*T’s & C’s and exclusions apply. Please see our delivery page for more information on all our services including those outside of mainland UK (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands etc).
How do I return an order/item?
Our returns policy is easier than ever. We understand that if an item isn’t correct, then it needs to be returned. If you are wanting to return anything supplied by Cutwel please see our returns page for full instructions.
https://www.cutwel.co.uk/16nr27nptvtx-npt-internal-right-hand-thread-turning-insert-vtx-general-purpose-grade-vardex?___store=default7271516IR27NPTVTX NPT Internal Right Hand Vardex Thread Turning Insert, 16mm x 27mm TPI, Multi-Purpose Ground VTX Grade, TiAlN Coated (Vargus) - Ref: 3IR27NPTVTXhttps://www.cutwel.co.uk/media/catalog/product/I/n/Internal-RH-Vardex-Threading-Insert-VTX-Grade-Vargus-Main_1_458.png9.649.64GBPInStock/Landing Pages/Indexable Threading (Single Point Threading)/Standard Indexable Threading (Single Point Threading)/Standard Threading Inserts/NPT Threading Inserts/Landing Pages/Brand Shop/Vargus/Vargus Thread Turning (Single Point Threading)/Vargus Standard Indexable Threading/Landing Pages/Brand Shop/Vargus/Vargus Thread Turning (Single Point Threading)/Vargus Standard Indexable Threading/Vargus Standard Indexable Thread Turning Inserts/Highlights & Promotions/Tool Up for the New Term/Screw Cutting Inserts - Tool Up for the New Term/Landing Pages/Cutwel Essentials/Cutwel Lathe Essentials/Cutwel Essentials - Thread Turning Holders & Inserts/National Pipe Taper (NPT) Thread Turning Inserts/Threading/Thread Turning Tools/Thread Turning Inserts/NPT Threading Inserts/Threading/Thread Turning Tools/Thread Turning Inserts/NPT Threading Inserts/View Internal/Promotions/Best of Cutwel 2025/Lathe Tools - Best of Cutwel/Thread Turning Inserts/Promotions/Cutwel Clearance/Threading Tool Clearance6755136891414815412157271849718761197711943812209850566066750164481367413677136894312154021546315886157063981844318449184975345195281975319426Single point threading inserts (also known as screw cutting inserts) for internal right hand thread turning of NPT threads. These inserts have a high quality ground substrate with a TiAlN coated VTX grade for multi-purpose threading of Steel, Stainless Steel, Cast Iron, Non-Ferrous, Exotics and Hardened Steel. Vardex threading inserts are fully compatible with other manufacturers holders. Vardex from Vargus is the market leading range of thread turning tools with the largest choice of insert pitches and sizes. <ul>
<li>Multi-purpose VTX grade for Steel, Stainless Steel, Cast Iron, Non-Ferrous, Exotics & Hardened Steel</li>
<li>High quality ground substrate with TiAlN coating</li>
<li>NPT Insert for Internal Right Hand Threads</li>
<li>Vardex inserts are compatible with other manufacturers holders.</li>
<li>Vardex are the global number 1 thread turning tool manufacturer</li>
<li>Insert size reference - Size 2 = 11mm, Size 3 = 16mm, Size 4 = 22mm, Size 5 = 27mm</li>
<li>Vardex inserts are compatible with other manufacturers holders</li>
</ul>GBP00https://www.cutwel.co.uk/media/catalog/product/I/n/Internal-RH-Vardex-Threading-Insert-VTX-Grade-Vargus-Tech_1_458.pnghttps://www.cutwel.co.uk/media/catalog/product/i/n/internal-right-hand-thread-turning-application_6_229.pnghttps://www.cutwel.co.uk/media/catalog/product/v/t/vtx-thread-turning-grade_1_1739.pnghttps://www.cutwel.co.uk/media/catalog/product/N/p/Npt-60-thread-form_1_149.pnghttps://www.cutwel.co.uk/media/catalog/product/t/h/thread-turning-insert-size-reference-chart_13_539.pngadd-to-cartYesThreadingCoated (PVD/CVD)TiAlN CoatedSteel, Hardened Steel, Stainless Steel, Cast Iron, Non-Ferrous, ExoticsVardex27NPT (National Pipe Taper)16 (Vardex Size 3)Thread Turning ToolsThread Turning Inserts3IR27NPTVTXVTX (General Purpose)Right Hand£11.57simple
1977119753Thread Turning Insertshttps://www.cutwel.co.uk/offers/best-of-cutwel-2025/lathe-tools-best-of-cutwel/thread-turning-inserts?___store=default1/2/5345/19528/19753/197711/Promotions/Best of Cutwel 2025/Lathe Tools - Best of Cutwel/Thread Turning Inserts