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Carmex Spiral Mill Threading Insert - Unified - H23E16UNMT7
| Application | Threading |
| Thread Form | UN |
| Internal or External | External |
| Insert Size | H23 |
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The Carmex Spiral Mill Threading Insert – Unified – H23E16UNMT7 is a spiral-fluted threading insert designed to deliver smooth cutting and efficient material removal across a wide range of applications. It supports threading, end milling, roughing, and finishing tasks, helping you achieve high-quality finishes with dependable performance.
This system is built for a wide audience—from engineers and buyers to tradespeople and hobbyists—offering a versatile solution that works from precision work on small components in compact machining centers to heavy-duty milling in high-power machines. The spiral design enables a smooth cut at higher feed rates, helping reduce overall machining time without sacrificing finish quality.
- Efficient spiral cutting for high-speed milling: The spiral geometry delivers smooth, consistent cuts at elevated feed rates, helping you finish jobs faster while maintaining great surface quality.
- Flexible 1–9 insert holder with compact diameter: Spiral fluted toolholders accommodate 1 to 9 inserts in a comparatively small cutting diameter, with a unique clamping method that enables optimal indexability and easy setup.
- MT7 Sub-Micron TiN-coated inserts for broad material compatibility: Inserts use a Sub-Micron MT7 grade with Titanium Nitride multi-layer coating (ISO K10–K20), delivering durable wear resistance and reliable finishes across a wide range of materials.
Together, these features help you streamline production: faster cycle times, consistent threading and finishing results, and reliable tool life across diverse materials. The unified threading insert system reduces downtime through straightforward indexing and flexible usage, making it a practical, long-lasting choice for shops that value dependable performance and predictable outcomes.
Part Numbers
- Protool Part Number
- H23E16UNMT7
- Brand
- Carmex
- Category
- Thread Mill
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 - Unified
View full collection →You are viewing H23E16UNMT7. Click any other SKU to view its full details.
| Product SKU | Insert Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| H13I16UNMT7 | H13 | 16 | £36.58 | 5 days | |
| H13I14UNMT7 | H13 | 14 | £36.58 | 5 days | |
| H13I12UNMT7 | H13 | 12 | £36.58 | 5 days | |
| H15I16UNMT7 | H15 | 16 | £36.58 | 5 days | |
| H15I14UNMT7 | H15 | 14 | £36.58 | 5 days | |
| H15I12UNMT7 | H15 | 12 | £36.58 | 5 days | |
| H15I10UNMT7 | H15 | 10 | £36.58 | 5 days | |
| H17I20UNMT7 | H17 | 20 | £36.58 | 5 days | |
| H17I16UNMT7 | H17 | 16 | £36.58 | 5 days | |
| H17I14UNMT7 | H17 | 14 | £36.58 | 5 days | |
| H17I12UNMT7 | H17 | 12 | £36.58 | 5 days | |
| H17I9UNMT7 | H17 | 9 | £36.58 | 5 days | |
| H19I12UNMT7 | H19 | 12 | £36.58 | 5 days | |
| H19I8UNMT7 | H19 | 8 | £36.58 | 5 days | |
| H23I32UNMT7 | H23 | 32 | £46.23 | 5 days | |
| H23I24UNMT7 | H23 | 24 | £60.18 | 5 days | |
| H23E20UNMT7 | H23 | 20 | £46.23 | 5 days | |
| H23I20UNMT7 | H23 | 20 | £60.18 | 5 days | |
| H23E18UNMT7 | H23 | 18 | £46.23 | 5 days | |
| H23I18UNMT7 | H23 | 18 | £60.18 | 5 days | |
| H23E16UNMT7 Viewing | H23 | 16 | £46.23 | 5 days | |
| H23I16UNMT7 | H23 | 16 | £60.18 | 5 days | |
| H23E14UNMT7 | H23 | 14 | £46.23 | 5 days | |
| H23I14UNMT7 | H23 | 14 | £60.18 | 5 days | |
| H23E12UNMT7 | H23 | 12 | £46.23 | 5 days | |
| H23I12UNMT7 | H23 | 12 | £60.18 | 5 days | |
| H23E10UNMT7 | H23 | 10 | £46.23 | 5 days | |
| H23I10UNMT7 | H23 | 10 | £46.23 | 5 days | |
| H23E8UNMT7 | H23 | 8 | £46.23 | 5 days | |
| H23I8UNMT7 | H23 | 8 | £60.18 | 5 days | |
| H23E7UNMT7 | H23 | 7 | £46.23 | 5 days | |
| H23I7UNMT7 | H23 | 7 | £60.18 | 5 days | |
| H28I12UNMT7 | H28 | 12 | £48.93 | 5 days | |
| H28I8UNMT7 | H28 | 8 | £48.93 | 5 days | |
| H28I6UNMT7 | H28 | 6 | £48.93 | 5 days | |
| H32E24UNMT7 | H32 | 24 | £48.93 | 5 days | |
| H32E20UNMT7 | H32 | 20 | £48.93 | 5 days | |
| H32I20UNMT7 | H32 | 20 | £63.70 | 5 days | |
| H32E18UNMT7 | H32 | 18 | £48.93 | 5 days | |
| H32I18UNMT7 | H32 | 18 | £63.70 | 5 days | |
| H32E16UNMT7 | H32 | 16 | £48.93 | 5 days | |
| H32I16UNMT7 | H32 | 16 | £63.70 | 5 days | |
| H32E12UNMT7 | H32 | 12 | £48.93 | 5 days | |
| H32I12UNMT7 | H32 | 12 | £63.70 | 5 days | |
| H32E8UNMT7 | H32 | 8 | £48.93 | 5 days | |
| H32I8UNMT7 | H32 | 8 | £63.70 | 5 days | |
| H32E6UNMT7 | H32 | 6 | £48.93 | 5 days | |
| H32I6UNMT7 | H32 | 6 | £63.70 | 5 days | |
| H32I5UNMT7 | H32 | 5 | £48.93 | 5 days | |
| H40I6UNMT7 | H40 | 6 | £54.33 | 5 days | |
| H40I4.5UNMT7 | H40 | 4.5 | £54.33 | 5 days | |
| H45I16UNMT7 | H45 | 16 | £70.73 | 5 days | |
| H45I12UNMT7 | H45 | 12 | £70.73 | 5 days | |
| H45I8UNMT7 | H45 | 8 | £70.73 | 5 days | |
| H45I6UNMT7 | H45 | 6 | £70.73 | 5 days | |
| H45I4.5UNMT7 | H45 | 4.5 | £54.33 | 5 days | |
| H45I4UNMT7 | H45 | 4 | £54.33 | 5 days | |
| H63I16UNMT7 | H63 | 16 | £70.73 | 5 days | |
| H63I12UNMT7 | H63 | 12 | £70.73 | 5 days | |
| H63I8UNMT7 | H63 | 8 | £70.73 | 5 days | |
| H63I6UNMT7 | H63 | 6 | £70.73 | 5 days | |
| H63I4UNMT7 | H63 | 4 | £54.33 | 5 days |
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