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Dormer Pramet C70 20.0mm x 12.5 mm 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 compact, high-precision tool designed for chamfering and edge rounding in demanding metalwork. Built for machinists and engineers who need reliable, repeatable radii on a variety of metals, it delivers consistent results in tight spaces and hard materials.
- Tool type: Extra-short corner rounding cutter with a four-flute design for efficient chip removal and precise radii
- Diameter: 35 mm for robust cutting and strong edge engagement
- Overall length: 100 mm to reach into constrained work areas with stability
- Profile radius: 12.5 mm radius to produce clean, rounded corners
- Shank: 20 mm Weldon shank with a flatted section for secure seating in holders
- Material and finish: Cobalt-based HSS-E with a bright finish for wear resistance and long tool life
- Standard: Built to Dormer standard for reliable interchangeability and compatibility
- Cutting angles: Optimized helix and rake angles designed for efficient chamfer milling
- Applications: Effective on steel, cast steel, stainless steel, cast iron, wrought alloys, cast aluminum, copper and copper alloys, and high-temperature alloys
Designed to deliver durable performance across a range of materials, this cutter minimizes tool chatter and produces smooth, precise radii on edges. The cobalt-based HSS-E core resists wear during extended cuts, while the Weldon shank and flat section ensure a secure, repeatable fit in standard holders. Whether refining edges on structural components or finishing details on castings and alloys, this Dormer Pramet tool helps you achieve accurate corner rounding with fewer passes and consistent results.
Part Numbers
- Protool Part Number
- DOR-C70012.5
- 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-C70012.5. 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 | 20 | 4 | 100 | 100 | 20 | 12 | £192.81 | 2 days | |
| DOR-C70012.5 Viewing | 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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