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Dormer Pramet C135 20.0mm HSS-E Flatted Shank 2 Flute Standard Length Slot Drill
| Cutter Diameter | 20 |
| Flute Length | 141 |
| Number of Flutes | 2 |
| Overall Length | 141 |
| Shank Diameter | 20 |
Learn more about Klarna
Precision-engineered slot drill designed for reliable slot milling in free machining steel and copper alloys. The Dormer Pramet C135 20.0mm HSS-E flatted shank two-flute standard-length drill is built for tasks requiring a long reach and consistent performance, making it a trusted choice for professional workshops.
- Diameter: 20.0 mm
- Number of Flutes: 2
- Length of Cut: 38 mm
- Overall Length: 141 mm
- Reach with Neck Relief: 90.5 mm
- Shank: Weldon 20 mm
- Material: Cobalt-based HSS‑E with bright finish
- Helix Angle: 30°
- Rake Angle: 12°
- Standard: DORMER standard
- Application: Slot milling in free machining steel and copper or copper alloys
This drill combines robust cobalt-enhanced HSS-E wear resistance with a 30° helix that promotes efficient chip evacuation and smoother cutting in slot milling operations. The 12° rake angle reduces rubbing and ensures cleaner slots, while the 90.5 mm neck relief provides impressive access for deep cavities without compromising rigidity. A 20 mm Weldon shank delivers secure clamping in compatible holders, supporting steady, accurate milling at standard speeds and feeds.
| Cutter Diameter | 20 |
| Flute Length | 141 |
| Number of Flutes | 2 |
| Overall Length | 141 |
| Shank Diameter | 20 |
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: Dormer Pramet C135 HSS-E Flatted Shank 2 Flute Standard Length Slot Drills
View full collection →You are viewing DOR-C13520.0. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Flute Length | Number of Flutes | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| DOR-C1352.0 | 2 | 54 | 2 | 54 | 6 | £27.79 | 2 days | |
| DOR-C1353.0 | 3 | 56 | 2 | 56 | 6 | £26.28 | 2 days | |
| DOR-C1354.0 | 4 | 63 | 2 | 63 | 6 | £26.34 | 2 days | |
| DOR-C1355.0 | 5 | 68 | 2 | 68 | 6 | £26.05 | 2 days | |
| DOR-C1356.0 | 6 | 68 | 2 | 68 | 6 | £26.20 | 2 days | |
| DOR-C1358.0 | 8 | 88 | 2 | 88 | 10 | £33.20 | 2 days | |
| DOR-C13510.0 | 10 | 95 | 2 | 95 | 10 | £36.46 | 2 days | |
| DOR-C13512.0 | 12 | 110 | 2 | 110 | 12 | £43.00 | 2 days | |
| DOR-C13514.0 | 14 | 110 | 2 | 110 | 12 | £53.73 | 2 days | |
| DOR-C13516.0 | 16 | 123 | 2 | 123 | 16 | £64.45 | 2 days | |
| DOR-C13518.0 | 18 | 123 | 2 | 123 | 16 | £73.20 | 2 days | |
| DOR-C13520.0 Viewing | 20 | 141 | 2 | 141 | 20 | £85.62 | 2 days |
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