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Dormer Pramet C70 20.0mm x 9mm HSS-E Flatted Shank Corner Rounding Cutter
| Cutter Diameter (DCX) | 20 |
| Number of Flutes | 4 |
| Flute Length | 85 |
| Overall Length (OAL) | 85 |
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Description
The Dormer Pramet C70 corner rounding cutter is a compact, four-flute tool engineered for precise corner rounding and chamfer milling in a wide range of metals. Designed for machinists who value rigidity and reliable results in tight setups, it delivers consistent radii and clean finishes.
- Shank: flatted 20 mm shank for secure clamping and reduced runout
- Diameter: 28 mm cutting diameter for efficient corner rounding
- Corner Radius: 9 mm profile radius for predictable, smooth edges
- Overall Length: 85 mm for accessible machining in confined pockets
- Number of Flutes: 4 flutes enabling steady cutting and good surface finish
- Material and Grade: cobalt-based HSS-E (Dormer Pramet C70) with a bright finish for high-temperature wear resistance
- Finish: bright finish that aids chip control and inspection
- Cutting Geometry: optimized helix and rake angles tailored for chamfer milling
- Applications: suitable for steel, cast steel, stainless steel, cast-iron, wrought, cast aluminium, copper and copper alloys, and high-temperature alloys
- Standards: built to Dormer standard for consistent performance and compatibility with standard tooling setups
This corner rounding cutter is ideal for engineers and machinists performing precise edge treatments on brackets, housings, and structural components. The cobalt-based HSS-E composition delivers durability under demanding cutting conditions, while the extra-short form enhances rigidity in tight cavities and short-stroke milling operations. With a 9 mm radius, it creates durable, uniform corners that stand up to assembly and wear, making it a reliable choice for both production runs and repair work across a variety of materials.
Part Numbers
- Protool Part Number
- DOR-C7009.0
- Brand
- Dormer Pramet
- Category
- Corner Rounding Cutter
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 C70 HSS-E Flatted Shank Corner Rounding Cutter's
View full collection →You are viewing DOR-C7009.0. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter (DCX) | Number of Flutes | Flute Length | Overall Length (OAL) | Shank Diameter (DCON MS) | Radius (RE) | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| DOR-C7001.0 | 10 | 4 | 60 | 60 | 10 | 1 | £61.12 | 2 days | |
| DOR-C7001.5 | 10 | 4 | 60 | 60 | 10 | 1.5 | £61.12 | 2 days | |
| DOR-C7002.0 | 10 | 4 | 60 | 60 | 10 | 2 | £61.04 | 2 days | |
| DOR-C7002.5 | 10 | 4 | 60 | 60 | 10 | 2.5 | £61.89 | 2 days | |
| DOR-C7003.0 | 12 | 4 | 60 | 60 | 12 | 3 | £93.46 | 2 days | |
| DOR-C7003.5 | 12 | 4 | 60 | 60 | 12 | 3.5 | £147.71 | 2 days | |
| DOR-C7004.0 | 12 | 4 | 60 | 60 | 12 | 4 | £98.04 | 2 days | |
| DOR-C7005.0 | 16 | 4 | 70 | 70 | 16 | 5 | £105.88 | 2 days | |
| DOR-C7006.0 | 16 | 4 | 70 | 70 | 16 | 6 | £126.14 | 2 days | |
| DOR-C7007.0 | 16 | 4 | 70 | 70 | 16 | 7 | £141.18 | 2 days | |
| DOR-C7008.0 | 16 | 4 | 70 | 70 | 16 | 8 | £141.18 | 2 days | |
| DOR-C7009.0 Viewing | 20 | 4 | 85 | 85 | 20 | 9 | £155.56 | 2 days | |
| DOR-C70010.0 | 20 | 4 | 85 | 85 | 20 | 10 | £155.56 | 2 days | |
| DOR-C70012.0 | 20 | 4 | 100 | 100 | 20 | 12 | £192.81 | 2 days | |
| DOR-C70012.5 | 20 | 4 | 100 | 100 | 20 | 12.5 | £215.69 | 2 days | |
| DOR-C70015.0 | 25 | 5 | 105 | 105 | 25 | 15 | £407.85 | 2 days |
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