Robert Charles DIN 3 Flute Countersinks 100°
£30.02
The Robert Charles DIN 3 Flute Countersink 100° is designed to DIN standards for precise 100° countersinking and chamfering. Its 3-flute design ensures smooth, stable cutting with minimal chatter and efficient chip removal, delivering a clean, accurate finish. Suitable for a wide range of materials including steel, aluminium, and plastics, this countersink provides reliable performance for engineering, workshop, and production applications where precision and surface quality are essential.

| Product SKU | Head Diameter | Small Diameter | Shank Diameter | Overall Length | Head Length | Angle | Price | Stock | |
|---|---|---|---|---|---|---|---|---|---|
| 335C-6.3-100 | 6.3 | 1.5 | 5 | 45 | 5 | 100 | £30.02 |
2-3 days | View product |
| 335C-8.3-100 | 8.3 | 2 | 6 | 50 | 6 | 100 | £31.60 |
2-3 days | View product |
| 335C10-4-100 | 10.4 | 2.5 | 6 | 50 | 7.1 | 100 | £34.76 |
2-3 days | View product |
| 335C-12.4-100 | 12.4 | 2.8 | 8 | 56 | 8 | 100 | £37.92 |
2-3 days | View product |
| 335C-16.5-100 | 16.5 | 3.2 | 10 | 60 | 10 | 100 | £50.56 |
2-3 days | View product |
| 335C-20.5-100 | 20.5 | 3.5 | 10 | 63 | 12.5 | 100 | £69.52 |
2-3 days | View product |
| 335C-25.0-100 | 25.0 | 3.8 | 10 | 67 | 15 | 100 | £88.48 |
2-3 days | View product |
| 335C-30-100 | 30.0 | 4.2 | 12 | 71 | 18 | 100 | £154.84 |
2-3 days | View product |
| 335C-31.0-100 | 31.0 | 4.2 | 12 | 71 | 18 | 100 | £154.84 |
2-3 days | View product |
What time are we open?
We are open Monday to Friday and able to dispatch orders between 8am and 5pm (up to 4.30 pm on Fridays).
What delivery services do we offer?
To mainland UK we offer FREE UK next day delivery on all orders above £50 ex vat*. For orders under £50 ex vat we offer the following:
- Royal Mail Tracked 24 - £4.50
- DPD Standard Next Day - £7.50
- DPD Next Day Pre 12 - £12.50
- Royal Mail Special Delivery by 1pm - £12.50
- DPD Next Day Pre 10am - £20
We also offer Saturday delivery for those that require it, if you order before 4.30 pm on a Friday.
*T’s & C’s and exclusions apply. Please see our delivery page for more information on all our services including those outside of mainland UK (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands etc).
How do I return an order/item?
We’ve made our returns process simple and hassle-free.
If your item isn’t right, you can send it back with ease. For full details on how to return a product, please visit our returns page.