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Dormer Pramet C306 20.0mm HSS-E-Powder Metal Primax Flatted Shank 3 Flute Short Series Slot Drill DIN 327 D
| Cutter Diameter | 20 |
| Flute Length | 88 |
| Number of Flutes | 3 |
| Overall Length | 88 |
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Description
Precisely engineered for slot milling, shoulder milling, and ramping in free machining steels and copper alloys, the Dormer Pramet C306 20.0 mm HSS-E Powder Metallurgy Primax Flatted Shank 3-Flute Short Series Slot Drill delivers dependable performance in tight pockets and rapid setups.
- Diameter: 20.0 mm
- Flutes: 3-flute design for balanced material removal and rigidity
- Length of cut: 22 mm
- Overall length: 88 mm
- Reach with neck relief: 37.5 mm
- Shank: Weldon, 20 mm, Primax flatted shank for secure clamping
- Material: HSS-E powder metallurgy with bright finish
- Helix angle: 30°
- Rake angle: 12°
- Standard: DIN 327 D
- Applications: Slot milling, shoulder milling, ramping
- Material compatibility: Suitable for free machining steels and copper or copper alloys
This combination of geometry and metallurgy translates into efficient chip control, strong edge retention, and reliable performance in demanding milling tasks. The 3-flute configuration supports steadier feeds in slot and shoulder operations, while the 30° helix and 12° rake angle help reduce cutting forces and improve surface finish. The Primax flat shank and 20 mm Weldon interface ensure secure, repeatable clamping in standard holders, minimizing runout for consistent accuracy. With DIN 327 D conformity and a bright finish that resists built-up edge, this drill is a dependable choice for precise, repeatable results in manufacturing and maintenance environments.
Part Numbers
- Protool Part Number
- DOR-C30620.0
- Brand
- Dormer Pramet
- Category
- End Mill
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
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: Dormer Pramet C306 HSS-E-Powder Metal Primax Flatted Shank 3 Flute Short Series Slot Drills DIN 327 D
View full collection →You are viewing DOR-C30620.0. 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-C3063.0 | 3 | 49 | 3 | 49 | 6 | £24.11 | 2 days | |
| DOR-C3064.0 | 4 | 51 | 3 | 51 | 6 | £24.15 | 2 days | |
| DOR-C3065.0 | 5 | 52 | 3 | 52 | 6 | £23.88 | 2 days | |
| DOR-C3066.0 | 6 | 52 | 3 | 52 | 6 | £24.08 | 2 days | |
| DOR-C3067.0 | 7 | 60 | 3 | 60 | 10 | £33.90 | 2 days | |
| DOR-C3068.0 | 8 | 61 | 3 | 61 | 10 | £30.45 | 2 days | |
| DOR-C3069.0 | 9 | 61 | 3 | 61 | 10 | £36.94 | 2 days | |
| DOR-C30610.0 | 10 | 63 | 3 | 63 | 10 | £33.38 | 2 days | |
| DOR-C30611.0 | 11 | 70 | 3 | 70 | 12 | £43.72 | 2 days | |
| DOR-C30612.0 | 12 | 73 | 3 | 73 | 12 | £39.34 | 2 days | |
| DOR-C30614.0 | 14 | 73 | 3 | 73 | 12 | £49.32 | 2 days | |
| DOR-C30615.0 | 15 | 73 | 3 | 73 | 12 | £58.63 | 2 days | |
| DOR-C30616.0 | 16 | 79 | 3 | 79 | 16 | £59.17 | 2 days | |
| DOR-C30618.0 | 18 | 79 | 3 | 79 | 16 | £67.17 | 2 days | |
| DOR-C30620.0 Viewing | 20 | 88 | 3 | 88 | 20 | £78.66 | 2 days | |
| DOR-C30622.0 | 22 | 88 | 3 | 88 | 20 | £101.23 | 2 days | |
| DOR-C30625.0 | 25 | 102 | 3 | 102 | 25 | £131.33 | 2 days | |
| DOR-C30630.0 | 30 | 102 | 3 | 102 | 25 | £164.84 | 2 days |
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