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Carmex Thread Mills Mini Type - For Hard Materials - UN (UNC UNF UNEF UNS) - 1/4 x 28 - MT9
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 1/4 |
| Pitch | 28 |
| Diameter (D) | 5 |
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Description
Carmex Thread Mills Mini Type is a solid carbide internal-threading tool engineered for precision work in hardened materials up to 62 HRc. It’s the go-to choice for machinists who need reliable UNC/UNF/UNEF/UNS threads in tight or hard workpieces.
- Size & thread form: 1/4" diameter, 28 TPI thread mill compatible with UNC, UNF, UNEF and UNS thread forms.
- Material: Solid carbide for exceptional wear resistance and heat tolerance when machining hard steels and alloys.
- Cutting performance: Optimized geometry delivers a clean, consistent cut with an excellent surface finish on threaded profiles.
- Interface: MT9 compatibility for secure mounting in compatible tool holders.
- Hard material capability: Designed to cut hardened materials up to 62 HRc with reliable performance.
With this mini thread mill, you can create precise internal threads in hardened components without tapping, reducing cycle times and the risk of thread damage. It delivers repeatable, burr-free threads and is well suited for aerospace, automotive, mold making, and precision engineering applications. For best results, use proper coolant, stable workholding, and appropriate feeds and speeds to maximize tool life and thread quality.
Part Numbers
- Protool Part Number
- MTSH0605C1428UNMT9
- 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 Carbide Thread Mills - UN (UNC, UNF) Mini Type For Hard Materials Up To 62HRC (MTSH)
View full collection →You are viewing MTSH0605C1428UNMT9. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Reach | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MTSH03015C672UNMT9 | No. 1 | 72 | 1.06 | 6 | 39 | £129.04 | In Stock | |
| MTSH06012C480UNMT9 | No. 5 | 80 | 0.95 | 4 | 58 | £112.23 | 5 days | |
| MTSH06014C364UNMT9 | No. 1 No. 2 | 64 | 1.19 | 3.8 | 58 | £112.23 | 5 days | |
| MTSH06014C372UNMT9 | No. 1 | 72 | 1.06 | 3.7 | 58 | £112.23 | 5 days | |
| MTSH06016C456UNMT9 | No. 2 No. 3 | 56 | 1.36 | 4.4 | 58 | £112.23 | 5 days | |
| MTSH06016C656UNMT9 | No. 2 No. 3 | 56 | 1.36 | 6.6 | 58 | £112.23 | 5 days | |
| MTSH06019C548UNMT9 | No. 3 No. 4 | 48 | 1.59 | 5.2 | 58 | £112.23 | 5 days | |
| MTSH06021C640UNMT9 | No. 4 | 40 | 1.91 | 6.3 | 58 | £112.23 | In Stock | |
| MTSH06021C840UNMT9 | No. 4 | 40 | 1.91 | 8 | 58 | £112.23 | 5 days | |
| MTSH06024C740UNMT9 | No. 5 No. 6 | 40 | 1.91 | 7 | 58 | £112.23 | 5 days | |
| MTSH06024C940UNMT9 | No. 5 No. 6 | 40 | 1.91 | 9.6 | 58 | £94.86 | 5 days | |
| MTSH06025C1032UNMT9 | No. 6 | 32 | 2.38 | 10.5 | 58 | £112.23 | 5 days | |
| MTSH06025C732UNMT9 | No. 6 | 32 | 2.38 | 7.1 | 58 | £112.23 | 5 days | |
| MTSH06032C1232UNMT9 | No. 8 | 32 | 2.38 | 12.5 | 58 | £112.23 | 5 days | |
| MTSH06032C932UNMT9 | No. 8 | 32 | 2.38 | 9.5 | 58 | £112.23 | 5 days | |
| MTSH06033C936UNMT9 | No. 8 | 36 | 2.12 | 9 | 58 | £112.23 | 5 days | |
| MTSH06035C1024UNMT9 | No. 10 No. 12 | 24 | 3.18 | 10.6 | 58 | £112.23 | 5 days | |
| MTSH06037C1032UNMT9 | No. 10 | 32 | 2.38 | 10.5 | 58 | £112.23 | 5 days | |
| MTSH06037C1532UNMT9 | No. 10 | 32 | 2.38 | 15 | 58 | £112.23 | 5 days | |
| MTSH06042C1128UNMT9 | No. 12 | 28 | 2.72 | 11 | 58 | £112.23 | 5 days | |
| MTSH06047C1420UNMT9 | 1/4 | 20 | 3.81 | 14 | 58 | £112.23 | 5 days | |
| MTSH06047C1920UNMT9 | 1/4 | 20 | 3.81 | 19 | 58 | £112.23 | 5 days | |
| MTSH0605C1428UNMT9 Viewing | 1/4 | 28 | 2.72 | 14.5 | 58 | £112.23 | 5 days | |
| MTSH0605C1928UNMT9 | 1/4 | 28 | 2.72 | 19 | 58 | £112.23 | 5 days | |
| MTSH0606C1718UNMT9 | 5/16 | 18 | 4.23 | 17 | 58 | £112.23 | 5 days | |
| MTSH0606C2318UNMT9 | 5/16 | 18 | 4.23 | 23 | 58 | £112.23 | 5 days | |
| MTSH08066C1724UNMT9 | 5/16 3/8 | 24 | 3.18 | 17 | 64 | £149.63 | 5 days | |
| MTSH08066C2424UNMT9 | 5/16 3/8 | 24 | 3.18 | 24 | 64 | £149.63 | 5 days | |
| MTSH08067C2216UNMT9 | 3/8 | 16 | 4.76 | 22 | 64 | £149.63 | 5 days | |
| MTSH08074D3016UNMT9 | 3/8 | 16 | 4.76 | 30.2 | 64 | £149.63 | 5 days | |
| MTSH08077C2514UNMT9 | 7/16 | 14 | 5.44 | 25 | 64 | £149.63 | 5 days | |
| MTSH0808C2520UNMT9 | 7/16 | 20 | 3.81 | 25 | 64 | £149.63 | 5 days | |
| MTSH10092C2713UNMT9 | 1/2 | 13 | 5.86 | 27.5 | 73 | £193.64 | 5 days | |
| MTSH12105C3112UNMT9 | 9/16 | 12 | 6.35 | 31.5 | 84 | £239.90 | 5 days | |
| MTSH12114C3411UNMT9 | 5/8 | 11 | 6.93 | 34.5 | 84 | £239.90 | In Stock | |
| MTSH1212D3518UNMT9 | 5/8 | 18 | 4.23 | 35 | 84 | £239.90 | 5 days | |
| MTSH16144D4110UNMT9 | 3/4 | 10 | 7.62 | 41.5 | 105 | £299.72 | 5 days |
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