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Carmex Thread Mills Mini Type - For Hard Materials - UN (UNC UNF UNEF UNS) - 7/16 x 20 - MT9
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 7/16 |
| Pitch | 20 |
| Diameter (D) | 8 |
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Description
Carmex Thread Mills Mini Type are precision solid carbide tools built for high-hardness threading. Designed for hard materials up to 62 HRc, this compact 7/16 x 20 MT9 version delivers reliable, accurate threads in demanding alloys.
- Thread size and standards: 7/16-20 thread form compatible with UNC, UNF, UNEF, UNS specifications for versatile machining needs.
- Shank: MT9 (Morse Taper 9) shank for secure, stable toolholding on a wide range of milling centers.
- Material: Solid carbide construction for exceptional wear resistance and heat tolerance in tough materials.
- Mini type design: Compact geometry ideal for tight pockets, small-diameter threading, and precise feature creation.
- Material capability: Engineered to cut hardened materials up to 62 HRc with consistent results.
- Cutting performance: Optimized geometry supports efficient chip evacuation and a clean, accurate thread finish.
These tools are crafted to deliver strong, reliable threads with a smooth surface finish, reducing secondary operations and improving part fit. Ideal for precision threading in automotive, aerospace, mold-making, and other applications where hard materials and tight tolerances matter.
Part Numbers
- Protool Part Number
- MTSH0808C2520UNMT9
- 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 MTSH0808C2520UNMT9. 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 | 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 Viewing | 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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