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Dormer Pramet C70 20.0mm x 12mm HSS-E Flatted Shank Corner Rounding Cutter
| Cutter Diameter (DCX) | 20 |
| Number of Flutes | 4 |
| Flute Length | 100 |
| Overall Length (OAL) | 100 |
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Description
The Dormer Pramet C70 corner rounding cutter is a robust HSS‑E tool tailored for precise chamfer milling and edge finishing across a wide range of metals. Designed for professional workshops, it delivers dependable performance with a flatted shank for secure, stable operation.
- Fluted head: 4 cutting flutes provide balanced rigidity, smooth cutting action, and efficient chip evacuation.
- Diameter: 35 mm cutting diameter for effective corner rounding and clean, consistent radii on workpieces.
- Overall length: 100 mm overall length enables reach into pockets and deep features without tooling extension.
- Corner radius: 12 mm profile radius delivers a pronounced, uniform edge finish in a single pass.
- Shank type: 20 mm Weldon-style flatted shank offers secure clamping and reduced runout during operation.
- Material and finish: Cobalt-based HSS‑E with a bright finish for enhanced wear resistance and long tool life.
- Geometric attributes: Optimized helix and rake angles designed to improve chamfer milling performance across multiple materials.
- Applications: Suitable for chamfer milling and edge rounding in steel, cast steel, stainless steel, cast iron, wrought alloys, cast aluminium, copper and copper alloys, and high‑temperature alloys.
This cutter is built to withstand demanding machining environments, delivering precise radii, reliable edge finishes, and extended life in mixed-material setups. Its combination of four flutes, cobalt‑enhanced HSS‑E, and a securely clamped flatted shank makes it a dependable choice for finishing operations that require consistent results and minimal tool changes.
Part Numbers
- Protool Part Number
- DOR-C70012.0
- 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-C70012.0. 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 | 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 Viewing | 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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