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Carmex Spiral Mill Threading Insert - Unified - H23E18UNMT7
| Application | Threading |
| Thread Form | UN |
| Internal or External | External |
| Insert Size | H23 |
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Description
The Carmex Spiral Mill Threading Insert — Unified series (H23E18UNMT7) is built for precise threading and versatile milling. Its spiral flute design enables smooth cutting at high feed rates, helping you shorten cycle times and boost productivity across a range of machines.
- Spiral design for fast, smooth cutting: The spiral flute geometry promotes efficient chip evacuation and stable cuts at higher feed rates, delivering consistent thread quality and finishing performance.
- Versatile insert capacity and precise indexability: The toolholder supports 1 to 9 inserts in a compact cutting diameter, with a unique clamping method that ensures reliable index positioning for repeatable results and reduced downtime.
- Coated MT7 inserts for broad material compatibility: Inserts are available in MT7 Sub-Micron Grade with Titanium Nitride multi-layer coating (ISO K10‑K20), providing wear resistance and dependable performance across all materials.
This combination helps you achieve faster production cycles, consistent thread and finish quality, and longer tool life. The spiral mill threading insert delivers reliable results across threading, roughing, and finishing applications, giving you confidence to tackle a wide range of jobs with one trusted solution.
Part Numbers
- Protool Part Number
- H23E18UNMT7
- 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 H23E18UNMT7. Click any other SKU to view its full details.
| Product SKU | Insert Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| H13I16UNMT7 | H13 | 16 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H13I14UNMT7 | H13 | 14 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H13I12UNMT7 | H13 | 12 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H15I16UNMT7 | H15 | 16 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H15I14UNMT7 | H15 | 14 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H15I12UNMT7 | H15 | 12 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H15I10UNMT7 | H15 | 10 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H17I20UNMT7 | H17 | 20 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H17I16UNMT7 | H17 | 16 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H17I14UNMT7 | H17 | 14 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H17I12UNMT7 | H17 | 12 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H17I9UNMT7 | H17 | 9 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H19I12UNMT7 | H19 | 12 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H19I8UNMT7 | H19 | 8 | £36.58 per item · pack of 6 | 5 days | Sold in packs of 6 |
| H23I32UNMT7 | H23 | 32 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I24UNMT7 | H23 | 24 | £60.18 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23E20UNMT7 | H23 | 20 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I20UNMT7 | H23 | 20 | £60.18 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23E18UNMT7 Viewing | H23 | 18 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I18UNMT7 | H23 | 18 | £60.18 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23E16UNMT7 | H23 | 16 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I16UNMT7 | H23 | 16 | £60.18 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23E14UNMT7 | H23 | 14 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I14UNMT7 | H23 | 14 | £60.18 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23E12UNMT7 | H23 | 12 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I12UNMT7 | H23 | 12 | £60.18 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23E10UNMT7 | H23 | 10 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I10UNMT7 | H23 | 10 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23E8UNMT7 | H23 | 8 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I8UNMT7 | H23 | 8 | £60.18 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23E7UNMT7 | H23 | 7 | £46.23 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H23I7UNMT7 | H23 | 7 | £60.18 per item · pack of 2 | 5 days | Sold in packs of 2 |
| H28I12UNMT7 | H28 | 12 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H28I8UNMT7 | H28 | 8 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H28I6UNMT7 | H28 | 6 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32E24UNMT7 | H32 | 24 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32E20UNMT7 | H32 | 20 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32I20UNMT7 | H32 | 20 | £63.70 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32E18UNMT7 | H32 | 18 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32I18UNMT7 | H32 | 18 | £63.70 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32E16UNMT7 | H32 | 16 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32I16UNMT7 | H32 | 16 | £63.70 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32E12UNMT7 | H32 | 12 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32I12UNMT7 | H32 | 12 | £63.70 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32E8UNMT7 | H32 | 8 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32I8UNMT7 | H32 | 8 | £63.70 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32E6UNMT7 | H32 | 6 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32I6UNMT7 | H32 | 6 | £63.70 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H32I5UNMT7 | H32 | 5 | £48.93 per item · pack of 5 | 5 days | Sold in packs of 5 |
| H40I6UNMT7 | H40 | 6 | £54.33 per item · pack of 4 | 5 days | Sold in packs of 4 |
| H40I4.5UNMT7 | H40 | 4.5 | £54.33 per item · pack of 4 | 5 days | Sold in packs of 4 |
| H45I16UNMT7 | H45 | 16 | £70.73 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H45I12UNMT7 | H45 | 12 | £70.73 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H45I8UNMT7 | H45 | 8 | £70.73 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H45I6UNMT7 | H45 | 6 | £70.73 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H45I4.5UNMT7 | H45 | 4.5 | £54.33 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H45I4UNMT7 | H45 | 4 | £54.33 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H63I16UNMT7 | H63 | 16 | £70.73 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H63I12UNMT7 | H63 | 12 | £70.73 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H63I8UNMT7 | H63 | 8 | £70.73 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H63I6UNMT7 | H63 | 6 | £70.73 per item · pack of 3 | 5 days | Sold in packs of 3 |
| H63I4UNMT7 | H63 | 4 | £54.33 per item · pack of 3 | 5 days | Sold in packs of 3 |
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