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Robert Charles Imperial 3 Flute Countersink 100° - 1.00 Head Diameter
| Head Diameter | 1.00 |
| Small Diameter | 3/16 |
| Shank Diameter | 1/2 |
| Overall Length | 2.1/2 |
| Inclusive Angle | 100 |
| Shank Length | 1.1/2 |
Learn more about Klarna
The Robert Charles Imperial 3 Flute Countersink is manufactured for accurate and efficient countersinking of imperial sized holes, delivering a clean and consistent chamfer finish. The 3-flute design provides smooth cutting action, improved stability, and reduced chatter, helping to produce high-quality results across a variety of materials including steel, aluminium, and plastics. Built for durability and reliable performance, this countersink is well suited for workshop, maintenance, and production machining applications where precision and surface finish are important.
| Head Diameter | 1.00 |
| Small Diameter | 3/16 |
| Shank Diameter | 1/2 |
| Overall Length | 2.1/2 |
| Inclusive Angle | 100 |
| Shank Length | 1.1/2 |
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 Imperial 3 Flute Countersinks
View full collection →You are viewing 5858-1-100. Click any other SKU to view its full details.
| Product SKU | Head Diameter | Small Diameter | Shank Diameter | Overall Length | Inclusive Angle | Shank Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 5858-1/4-60 | 1/4 | 3/32 | 3/16 | 1.3/4 | 60 | 1.1/4 | £20.54 | 2-3 days | |
| 5858-3/8-60 | 3/8 | 1/8 | 1/4 | 1.3/4 | 60 | 1.1/4 | £23.70 | 2-3 days | |
| 5858-1/2-60 | 1/2 | 1/8 | 3/8 | 1.7/8 | 60 | 1.1/4 | £26.86 | 2-3 days | |
| 5858-5/8-60 | 5/8 | 5/32 | 1/2 | 2 | 60 | 1.1/4 | £37.92 | 2-3 days | |
| 5858-3/4-60 | 3/4 | 5/32 | 1/2 | 2.1/2 | 60 | 1.1/2 | £54.51 | 2-3 days | |
| 5858-1-60 | 1.00 | 3/16 | 1/2 | 2.3/4 | 60 | 1.1/2 | £71.89 | 2-3 days | |
| 5858-1.1/4-60 | 1.1/4 | 1/4 | 1/2 | 3 | 60 | 1.1/2 | £108.23 | 2-3 days | |
| 5858-1/4-82 | 1/4 | 3/32 | 3/16 | 1.3/4 | 82 | 1.1/4 | £29.23 | 2-3 days | |
| 5858-3/8-82 | 3/8 | 1/8 | 1/4 | 1.3/4 | 82 | 1.1/4 | £34.76 | 2-3 days | |
| 5858-1/2-82 | 1/2 | 1/8 | 3/8 | 1.7/8 | 82 | 1.1/4 | £37.92 | 2-3 days | |
| 5858-5/8-82 | 5/8 | 5/32 | 1/2 | 2 | 82 | 1.1/4 | £51.35 | 2-3 days | |
| 5858-3/4-82 | 3/4 | 5/32 | 1/2 | 2.1/2 | 82 | 1.1/2 | £70.31 | 2-3 days | |
| 5858-1-82 | 1.00 | 3/16 | 1/2 | 2.3/4 | 82 | 1.1/2 | £88.48 | 2-3 days | |
| 5858-1.1/4-82 | 1.1/4 | 1/4 | 1/2 | 3 | 82 | 1.1/2 | £151.68 | 2-3 days | |
| 5858-1/4-90 | 1/4 | 3/32 | 3/16 | 1.3/4 | 90 | 1.1/4 | £18.96 | 2-3 days | |
| 5858-3/8-90 | 3/8 | 1/8 | 1/4 | 1.3/4 | 90 | 1.1/4 | £22.12 | 2-3 days | |
| 5858-1/2-90 | 1/2 | 1/8 | 3/8 | 1.7/8 | 90 | 1.1/4 | £23.70 | 2-3 days | |
| 5858-5/8-90 | 5/8 | 5/32 | 1/2 | 2 | 90 | 1.1/4 | £31.60 | 2-3 days | |
| 5858-3/4-90 | 3/4 | 5/32 | 1/2 | 2.1/2 | 90 | 1.1/2 | £45.82 | 2-3 days | |
| 5858-1-90 | 1.00 | 3/16 | 1/2 | 2.3/4 | 90 | 1.1/2 | £63.20 | 2-3 days | |
| 5858-1.1/4-90 | 1.1/4 | 1/4 | 1/2 | 3 | 90 | 1.1/2 | £109.02 | 2-3 days | |
| 5858-1/4-100 | 1/4 | 3/32 | 3/16 | 1.5/8 | 100 | 1.1/2 | £29.23 | 2-3 days | |
| 5858-3/8-100 | 3/8 | 1/8 | 1/4 | 1.5/8 | 100 | 1.1/4 | £33.97 | 2-3 days | |
| 5858-1/2-100 | 1/2 | 1/8 | 3/8 | 1.5/8 | 100 | 1.1/4 | £37.92 | 2-3 days | |
| 5858-5/8-100 | 5/8 | 5/32 | 1/2 | 1.7/8 | 100 | 1.1/4 | £50.56 | 2-3 days | |
| 5858-3/4-100 | 3/4 | 5/32 | 1/2 | 2.1/8 | 100 | 1.1/2 | £69.52 | 2-3 days | |
| 5858-1-100 Viewing | 1.00 | 3/16 | 1/2 | 2.1/2 | 100 | 1.1/2 | £88.48 | 2-3 days | |
| 5858-1.1/4-100 | 1.1/4 | 1/4 | 1/2 | 2.3/4 | 100 | 1.1/2 | £151.68 | 2-3 days | |
| 5858-1/4-120 | 1/4 | 3/32 | 3/16 | 1.5/8 | 120 | 1.1/4 | £39.50 | 2-3 days | |
| 5858-3/8-120 | 3/8 | 1/8 | 1/4 | 1.5/8 | 120 | 1.1/4 | £42.66 | 2-3 days | |
| 5858-1/2-120 | 1/2 | 1/8 | 3/8 | 1.5/8 | 120 | 1.1/4 | £50.56 | 2-3 days | |
| 5858-5/8-120 | 5/8 | 5/32 | 1/2 | 1.7/8 | 120 | 1.1/4 | £61.62 | 2-3 days | |
| 5858-3/4-120 | 3/4 | 5/32 | 1/2 | 2.1/8 | 120 | 1.1/2 | £78.21 | 2-3 days | |
| 5858-1-120 | 1.00 | 3/16 | 1/2 | 2.1/2 | 120 | 1.1/2 | £102.70 | 2-3 days | |
| 5858-1.1/4-120 | 1.1/4 | 1/4 | 1/2 | 2.3/4 | 120 | 1.1/2 | £172.22 | 2-3 days |
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