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Carmex Thread Mills Solid Carbide - Internal Thread - UN (UNC UNF UNEF UNS) - 3/8 x 16 - MT7
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 3/8 |
| Pitch | 16 |
| Diameter (D) | 6 |
| Flute Length (l) | 16.7 |
| Shank Diameter (d) | 6 |
Learn more about Klarna
Carmex MT7 Solid Carbide Internal Thread Mills are crafted for efficient, cost‑effective threading of inner holes in metal parts. Designed for shops that regularly produce UNC, UNF, UNEF, and UNS threads, this tool delivers precise profiles with reliable performance pass after pass.
- Internal Thread Milling: Specifically engineered to cut internal threads in metal features, covering UNC, UNF, UNEF, and UNS standards.
- Size and Pitch: 3/8" diameter with 16 TPI, ideal for common fastener sizes and mating components.
- Flute Count: 3–5 flutes to enhance rigidity, improve thread accuracy, and promote efficient chip evacuation.
- Material: Solid carbide construction for high stiffness, heat resistance, and extended tool life in demanding materials.
- Shank Compatibility: MT7 shank designed for secure, accurate engagement with MT-style tool holders.
- Precision Geometry: Optimized flute geometry delivers clean thread profiles and reduces chatter during machining.
- Cost-Effective Solution: Built to deliver dependable threading performance without premium costs.
This MT line helps you achieve consistent thread quality while potentially reducing cycle times and tooling costs. The multi‑flute design provides stable cutting at reliable speeds, making it suitable for precision-focused work in automotive, aerospace, and general manufacturing settings. Use it for internal threads in through‑holes or blind holes, ensuring threads meet exact specifications with every operation.
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 3/8 |
| Pitch | 16 |
| Diameter (D) | 6 |
| Flute Length (l) | 16.7 |
| Shank Diameter (d) | 6 |
| No of Flutes | 3 |
| Overall Length (L) | 58 |
| Thread Mill Style | Standard |
| Internal or External | Internal |
| Coating | MT7 |
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 Solid Carbide Thread Mills - UN (UNC UNF UNEF) - For Internal Thread (MT)
View full collection →You are viewing MT0606C1616UNMT7. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Reach | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MT06025C640UNMT7 | No.5 | 40 | 6 | 6 | 58 | £65.10 | 5 days | |
| MT06032C632UNMT7 | No. 8 No. 10 No. 12 | 32 | 6.8 | 6.8 | 58 | £65.10 | In Stock | |
| MT06045C1220UNMT7 | 1/4 | 20 | 12.1 | 12.1 | 58 | £65.10 | 5 days | |
| MT0604C1128UNMT7 | 1/4 | 28 | 11.3 | 11.3 | 58 | £65.10 | 5 days | |
| MT06052C1528UNMT7 | 1/4 | 28 | 15 | 15 | 58 | £65.10 | In Stock | |
| MT0605C1418UNMT7 | 5/16 | 18 | 14.8 | 14.8 | 58 | £65.10 | 5 days | |
| MT0605C1424UNMT7 | 5/16 | 24 | 14.3 | 14.3 | 58 | £65.10 | In Stock | |
| MT0606C1428UNMT7 | 7/16 1/2 | 28 | 14.1 | 14.1 | 58 | £65.10 | 5 days | |
| MT0606C1616UNMT7 Viewing | 3/8 | 16 | 16.7 | 16.7 | 58 | £65.10 | 5 days | |
| MT0606C2018UNMT7 | 5/16 | 18 | 20.5 | 20.5 | 58 | £78.12 | 5 days | |
| MT08074C2416UNMT7 | 3/8 | 16 | 24.6 | 24.6 | 64 | £86.72 | 5 days | |
| MT0807C2014UNMT7 | 7/16 | 14 | 20.9 | 20.9 | 64 | £86.72 | 5 days | |
| MT0807C2120UNMT7 | 7/16 1/2 | 20 | 21 | 21 | 64 | £86.72 | In Stock | |
| MT0807C2124UNMT7 | 3/8 | 24 | 24 | 24 | 64 | £86.72 | In Stock | |
| MT0808C2213UNMT7 | 1/2 | 13 | 22.5 | 22.5 | 64 | £86.72 | 5 days | |
| MT10085C2814UNMT7 | 7/16 | 14 | 28.1 | 28.1 | 73 | £100.02 | 5 days | |
| MT10098D3213UNMT7 | 1/2 | 13 | 32.2 | 32.2 | 73 | £100.02 | In Stock | |
| MT1010C2612UNMT7 | 9/16 | 12 | 26.5 | 26.5 | 73 | £100.02 | 5 days | |
| MT1010C2811UNMT7 | 5/8 | 11 | 28.9 | 28.9 | 73 | £100.02 | 5 days | |
| MT1010D2618UNMT7 | 9/16 5/8 - 1 1/8 1 5/8 | 18 | 26.1 | 26.1 | 73 | £100.02 | In Stock | |
| MT12116D3712UNMT7 | 9/16 | 12 | 37 | 37 | 84 | £125.18 | 5 days | |
| MT1212C3410UNMT7 | 3/4 | 10 | 34.3 | 34.3 | 84 | £125.18 | 5 days | |
| MT1212D3116UNMT7 | 3/4 | 16 | 31 | 31 | 84 | £125.18 | In Stock | |
| MT1212D3811UNMT7 | 5/8 | 11 | 38.1 | 38.1 | 84 | £125.18 | 5 days | |
| MT1212E2720UNMT7 | 3/4 - 1 | 20 | 27.3 | 27.3 | 84 | £125.18 | In Stock | |
| MT16147E4910UNMT7 | 3/4 | 10 | 49.5 | 49.5 | 105 | £147.68 | 5 days | |
| MT1615C389UNMT7 | 7/8 | 9 | 38.1 | 38.1 | 105 | £147.68 | In Stock | |
| MT1615E3714UNMT7 | 7/8 | 14 | 37.2 | 37.2 | 105 | £147.68 | 5 days | |
| MT1616C428UNMT7 | 1 | 8 | 42.9 | 42.9 | 105 | £147.68 | 5 days | |
| MT1616E4112UNMT7 | 1 - 1 1/2 | 12 | 41.3 | 41.3 | 105 | £147.68 | 5 days | |
| MT2020D457UNMT7 | 1 1/8 - 1 1/4 | 7 | 45.3 | 45.3 | 105 | £178.34 | 5 days |
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