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Carmex Carbide Groove Mill With Internal Coolant - 7.8mm x 1.5mm
| Cutter Diameter | 7.8 |
| Shank Diameter | 8 |
| Reach | 15 |
| Overall Length | 64 |
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Description
The Carmex Carbide Groove Mill with Internal Coolant is a precision cutting tool built for machinists who demand clean, repeatable grooves in a variety of materials. Crafted from solid carbide, it combines durability with reliable performance, even in challenging machining conditions.
- Diameter: 7.8 mm with a groove width of 1.5 mm for precise groove profiles
- Material: Solid carbide construction for exceptional stiffness, wear resistance, and long tool life
- Internal coolant: Integrated cooling and chip evacuation through the flutes to maintain cutting efficiency and reduce heat
- Groove geometry: Precisely engineered groove shape for clean, accurate grooving and intricate profiles
- Minimum grooving diameter: Supports grooving diameters as small as 4 mm
- Flute design: 3–5 spiral flutes deliver smooth cutting action and effective chip control
- Versatility: One tool can handle both internal and external grooving with consistent results
This groove mill is designed to enhance accuracy and surface finish while extending tool life. The solid carbide core ensures rigidity and wear resistance, while the internal coolant and flute-through cooling optimize chip removal and heat management. With its precise groove geometry and multi-flute design, it delivers dependable performance for detailed grooves, keyways, and internal recesses—making it a reliable choice for CNC operators, toolmakers, and production shops aiming for consistent, high-quality results.
Part Numbers
- Protool Part Number
- MG08078D15W15MT8
- Brand
- Carmex
- Category
- Groove 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 Groove Mill With Internal Coolant
View full collection →You are viewing MG08078D15W15MT8. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Shank Diameter | Reach | Overall Length | Number of Flutes | Groove Depth | Groove Width | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|---|
| MG0604C4W05MT8 | 4 | 6 | 4.2 | 51 | 3 | 0.6 | 0.5 | £95.44 | In Stock | |
| MG0604C4W10MT8 | 4 | 6 | 4.2 | 51 | 3 | 0.6 | 1 | £95.44 | 5 days | |
| MG0606C7W10MT8 | 6 | 6 | 7 | 58 | 3 | 1 | 1 | £95.44 | In Stock | |
| MG0606C7W15MT8 | 6 | 6 | 7 | 58 | 3 | 1 | 1.5 | £95.44 | 5 days | |
| MG0606C8W08MT8 | 6 | 6 | 8 | 58 | 3 | 0.8 | 0.8 | £95.44 | 5 days | |
| MG08078D10W10MT8 | 7.8 | 8 | 10 | 64 | 4 | 1.2 | 1 | £127.22 | 5 days | |
| MG08078D15W15MT8 Viewing | 7.8 | 8 | 15 | 64 | 4 | 1.5 | 1.5 | £127.22 | 5 days | |
| MG08078D15W20MT8 | 7.8 | 8 | 15 | 64 | 4 | 1.5 | 2 | £127.22 | In Stock | |
| MG10098D20W12MT8 | 9.8 | 10 | 20 | 73 | 4 | 1.4 | 1.2 | £164.62 | 5 days | |
| MG10098D20W15MT8 | 9.8 | 10 | 20 | 73 | 4 | 2 | 1.5 | £164.68 | 5 days | |
| MG10098D20W20MT8 | 9.8 | 10 | 20 | 73 | 4 | 2 | 2 | £164.68 | 5 days | |
| MG1212E30W15MT8 | 12 | 12 | 30 | 84 | 5 | 2.2 | 1.5 | £203.92 | 5 days | |
| MG1212E30W20MT8 | 12 | 12 | 30 | 84 | 5 | 2.2 | 2 | £203.92 | 5 days | |
| MG1212E30W30MT8 | 12 | 12 | 30 | 84 | 5 | 2.2 | 3 | £203.92 | 5 days | |
| MG1616E30W14MT8 | 16 | 16 | 30 | 101 | 5 | 1.8 | 1.4 | £254.82 | 5 days | |
| MG1616E40W17MT8 | 16 | 16 | 40 | 101 | 5 | 2 | 1.7 | £254.82 | In Stock | |
| MG1616E45W19MT8 | 16 | 16 | 45 | 101 | 5 | 2.2 | 1.95 | £254.82 | In Stock |
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