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Carmex Chamfering End Mill - 90° Solid Carbide Countersink - 4mm - K20 Coated
| Shank Diameter | 4 |
| Web Thickness | 0.3 |
| Overall Length | 50 |
| Number of Flutes | 4 |
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Description
The Carmex Chamfering End Mill is a precision 90-degree countersink designed for clean, accurate chamfers and countersinks in a variety of materials. Built from solid carbide, this tool delivers durable performance and dependable results in professional machining.
- Diameter: 4 mm cutting diameter for compact, controlled chamfers and countersinks
- Chamfer angle: 90° geometry to produce crisp, consistent chamfers and precise countersinks
- Material: Solid carbide with CR3 Ultra-Fine grade for exceptional hardness, stiffness, and wear resistance
- Coating/finish: Advanced PVD coating for high-performance cutting applications and reduced wear
- Versatility: Optimized for aluminum and non-ferrous metals as well as stainless steels and titanium, delivering reliable performance across materials
Engineered for reliability and accuracy, this end mill maintains sharp edge stability even in demanding operations, helping you achieve smooth hole preparation, cleaner edge finishes, and flatter seating surfaces. The combination of ultra-fine carbide and modern coating translates to longer tool life, fewer tool changes, and more consistent results you can trust for precise assembly and high-quality finishes in your projects.
Part Numbers
- Protool Part Number
- MC04DA90K20
- Brand
- Carmex
- Category
- Countersink and Counterbore
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 Chamfering End Mill - 90° Solid Carbide Countersink
View full collection →You are viewing MC04DA90K20. Click any other SKU to view its full details.
| Product SKU | Shank Diameter | Web Thickness | Overall Length | Number of Flutes | Angle | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MC03DA90CR3 | 3 | 0.2 | 38 | 4 | 90 | £33.86 | 5 days | |
| MC04DA90CR3 | 4 | 0.3 | 50 | 4 | 90 | £35.91 | 5 days | |
| MC05DA90CR3 | 5 | 0.4 | 50 | 4 | 90 | £37.06 | 5 days | |
| MC06DA90CR3 | 6 | 0.5 | 57 | 4 | 90 | £39.26 | 5 days | |
| MC08DA90CR3 | 8 | 0.6 | 63 | 4 | 90 | £51.10 | 5 days | |
| MC10DA90CR3 | 10 | 0.8 | 72 | 4 | 90 | £66.44 | 5 days | |
| MC12DA90CR3 | 12 | 1 | 83 | 4 | 90 | £81.05 | 5 days | |
| MC03DA90K20 | 3 | 0.2 | 38 | 4 | 90 | £26.01 | 5 days | |
| MC04DA90K20 Viewing | 4 | 0.3 | 50 | 4 | 90 | £27.59 | 5 days | |
| MC05DA90K20 | 5 | 0.4 | 50 | 4 | 90 | £28.46 | 5 days | |
| MC06DA90K20 | 6 | 0.5 | 57 | 4 | 90 | £30.17 | 5 days | |
| MC08DA90K20 | 8 | 0.6 | 63 | 4 | 90 | £39.24 | 5 days | |
| MC10DA90K20 | 10 | 0.8 | 72 | 4 | 90 | £51.03 | 5 days | |
| MC12DA90K20 | 12 | 1 | 83 | 4 | 90 | £62.24 | 5 days |
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