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Carmex Spiral Mill Threading Insert - NPT - H45-11.5NPTMT7
| Application | Threading |
| Thread Form | NPT |
| Internal or External | Internal & External |
| Insert Size | H45 |
| Pitch | 11.5 |
| Holder Code | SRH45… |
Learn more about Klarna
Carmex Spiral Mill Threading Insert for NPT — H45-11.5NPTMT7 is a versatile spiral-threading solution designed to deliver precise NPT threads with efficient cutting action. Its spiral geometry enables smooth, controlled engagement, helping you achieve accurate results while reducing cycle times.
This insert is engineered for a broad range of applications, from fine threading on small components in compact machining centers to heavy-duty production on high-power milling machines. Expect steady cutting conditions, minimized vibration, and reliable indexing across different materials and production demands.
- High-Feed Spiral Design: Delivers smooth, controlled cutting at elevated feed rates, reducing cycle time and heat buildup while preserving accurate thread form.
- Flexible Insert Configuration and Reliable Indexing: Spiral toolholders accommodate 1 to 9 inserts in a compact diameter, with a unique clamping method that ensures precise index positioning and easy, quick indexing for less downtime.
- MT7 Sub-Micron Grade with TiN Coating: TiN multi-layer coating provides wear resistance and long tool life across a wide range of materials (ISO K10–K20), delivering consistent threading, roughing, and finishing results.
Together, these features translate into a reliable, efficient threading solution that helps you improve workflow, shorten setup and cycle times, and achieve dependable, high-quality thread finishes across diverse materials and production scales.
| Application | Threading |
| Thread Form | NPT |
| Internal or External | Internal & External |
| Insert Size | H45 |
| Pitch | 11.5 |
| Holder Code | SRH45… |
| Fig | 2 |
| Thread Size | Int. ≥ 1 5/8 Ext. ≥ 1 |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Carmex Spiral Mill Threading Inserts - NPT
View full collection →You are viewing H45-11.5NPTMT7. Click any other SKU to view its full details.
| Product SKU | Insert Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| H13-18NPTMT7 | H13 | 18 | £50.98 | 5 days | |
| H15-14NPTMT7 | H15 | 14 | £50.98 | 5 days | |
| H17-14NPTMT7 | H17 | 14 | £50.98 | 5 days | |
| H23-11.5NPTMT7 | H23 | 11.5 | £48.14 | 5 days | |
| H32-14NPTMT7 | H32 | 14 | £65.22 | 5 days | |
| H32-11.5NPTMT7 | H32 | 11.5 | £50.96 | 5 days | |
| H45-11.5NPTMT7 Viewing | H45 | 11.5 | £56.58 | 5 days | |
| H45-8NPTMT7 | H45 | 8 | £69.10 | 5 days | |
| H63-11.5NPTMT7 | H63 | 11.5 | £56.58 | 5 days | |
| H63-8NPTMT7 | H63 | 8 | £69.10 | 5 days |
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