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Robert Charles Imperial 3 Flute Countersink 60° - 1/4 Head Diameter
| Head Diameter | 1/4 |
| Small Diameter | 3/32 |
| Shank Diameter | 3/16 |
| Overall Length | 1.3/4 |
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Description
The Robert Charles Imperial 3 Flute Countersink 60° – 1/4 Head Diameter is designed for accurate and efficient countersinking of imperial sized holes, delivering a clean and consistent chamfer finish. It’s built for a wide range of workshop, maintenance, and production machining tasks where precision and surface finish matter.
With a 3-flute design, it delivers smooth cutting action, improved stability, and reduced chatter, helping you achieve high-quality chamfers across steel, aluminium, and plastics. Durable and reliable, this countersink is built for long-term use in demanding environments.
- 60° angle with 1/4" head diameter: Delivers precise chamfers on imperial sized holes, ensuring a consistent finish.
- Three-flute design for smoother cuts: Provides stable cutting action and reduces chatter across steel, aluminium, and plastics.
- Durable, reliable performance for workshop and production use: Built to withstand daily use and maintain accuracy over time in demanding environments.
This countersink helps you achieve clean, precise chamfers quickly, improving fastener seating and edge quality for a professional finish. Its compatibility with steel, aluminium, and plastics ensures dependable results across a wide range of projects, whether in a busy workshop, maintenance shop, or production setting.
Part Numbers
- Protool Part Number
- 5858-1/4-60
- Brand
- Robert Charles
- Category
- Countersinks
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: Robert Charles Imperial 3 Flute Countersinks
View full collection →You are viewing 5858-1/4-60. 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 Viewing | 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 | 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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