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Robert Charles DIN 3 Flute Countersinks 120° - 6.3mm HeadDiameter
| Head Diameter | 6.3 |
| Small Diameter | 1.5 |
| Shank Diameter | 5 |
| Overall Length | 45 |
| Head Length | 5 |
| Angler | 120 |
Learn more about Klarna
The Robert Charles DIN 3 Flute Countersinks 120° are precision-engineered to DIN standards to deliver accurate 120° countersinking and chamfering. Featuring a 3-flute design and a 6.3 mm head diameter, they provide smooth cutting, excellent stability, and efficient chip evacuation, delivering clean, consistent finishes. Suitable for steel, aluminium, and plastics, these countersinks excel in engineering, maintenance, and production environments where reliability and precision matter.
- Precise DIN 120° countersink: Ensures exact 120° chamfer per DIN standards for repeatable starts and professional finishes, reducing rework and material waste.
- Three-flute design for smooth cutting: Delivers steadier cuts with less vibration and efficient chip evacuation, producing cleaner holes and extending tool life.
- Robust 6.3 mm head diameter for stability: Provides firm engagement with the workpiece, supporting consistent results across steel, aluminium, and plastics and resisting deflection in demanding jobs.
With this countersink, you gain reliable performance across a broad range of materials and applications. It helps speed up setup and finishing steps, reduces downtime from imperfect holes, and supports high-quality chamfers that look professional in every project—from maintenance repairs to production runs.
| Head Diameter | 6.3 |
| Small Diameter | 1.5 |
| Shank Diameter | 5 |
| Overall Length | 45 |
| Head Length | 5 |
| Angler | 120 |
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: Robert Charles DIN 3 Flute Countersinks 120°
View full collection →You are viewing 335C-6.3-120. Click any other SKU to view its full details.
| Product SKU | Head Diameter | Small Diameter | Shank Diameter | Overall Length | Head Length | Angler | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 335C-6.3-120 Viewing | 6.3 | 1.5 | 5 | 45 | 5 | 120 | £41.08 | 2-3 days | |
| 335C-8.3-120 | 8.3 | 2 | 6 | 50 | 6 | 120 | £41.08 | 2-3 days | |
| 335C10-4-120 | 10.4 | 2.5 | 6 | 50 | 7.1 | 120 | £41.87 | 2-3 days | |
| 335C-12.4-120 | 12.4 | 2.8 | 8 | 56 | 8 | 120 | £51.35 | 2-3 days | |
| 335C-16.5-120 | 16.5 | 3.2 | 10 | 60 | 10 | 120 | £63.99 | 2-3 days | |
| 335C-20.5-120 | 20.5 | 3.5 | 10 | 63 | 12.5 | 120 | £86.90 | 2-3 days | |
| 335C-25.0-120 | 25.0 | 3.8 | 10 | 67 | 15 | 120 | £109.02 | 2-3 days | |
| 335C-30-120 | 30.0 | 4.2 | 12 | 71 | 18 | 120 | £178.54 | 2-3 days | |
| 335C-31.0-120 | 31.0 | 4.2 | 12 | 71 | 18 | 120 | £178.54 | 2-3 days |
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