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Robert Charles Piloted Microstop Countersink - Removable Pilot - Threaded Shank - 5/32 Pilot Dia - 3.5mm Pilot Shank Dia - 120°
| Pilot Diameter | 5/32 |
| Pilot Shank Diameter | 3.5 |
| Inclusive Angle | 120 |
| Cutter Diameter | 10.00 |
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Description
The Robert Charles Piloted Microstop Countersink – Removable Pilot – Threaded Shank is a precision countersinking tool engineered for accurate depth control and repeatable finishes. Its compact, robust design makes it ideal for aerospace, engineering, and precision assembly applications where consistent countersink depth matters. The tool features a removable pilot for quick size changes without losing alignment, and a 120° countersink angle that delivers clean, flush results across a variety of materials.
Pilot diameter: 5/32" with a 3.5 mm pilot shank diameter ensures flexible use across hole sizes while keeping the tool precisely aligned for each operation.
- Removable Pilot for Flexible Hole Sizing: Swap pilots quickly to cover different hole sizes without changing tools, while maintaining exact alignment for consistent countersink depth.
- Threaded Shank for Secure Microstop Integration: Tight, reliable fit into compatible microstop cages reduces runout and supports repeatable depth control throughout production runs.
- 120° Countersink Geometry for Clean, Uniform Finishes: Delivers smooth, burr-free countersinks with consistent depth across materials, reducing rework and improving surface quality.
Designed for durability and dependable performance, this countersink helps streamline workflows, shorten setup times, and produce professional results batch after batch. Its removable pilot and secure threaded connection make it a trusted choice for demanding, precision-driven tasks where every hole matters.
Part Numbers
- Protool Part Number
- D3.96-120-10
- 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 Piloted Microstop Countersink - Removable Pilot - Threaded Shank
View full collection →You are viewing D3.96-120-10. Click any other SKU to view its full details.
| Product SKU | Pilot Diameter | Pilot Shank Diameter | Inclusive Angle | Cutter Diameter | Number of Flutes | Thread | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| D2.38-90-10 | 3/32 | 2.3 | 90 | 10.00 | 2 | M6X1 | £47.40 | 2-3 days | |
| D3.17-90-10 | 1/8 | 2.5 | 90 | 10.00 | 2 | M6X1 | £47.40 | 2-3 days | |
| D3.96-90-10 | 5/32 | 3.5 | 90 | 10.00 | 2 | M6X1 | £47.40 | 2-3 days | |
| D4.76-90-10 | 3/16 | 3.5 | 90 | 10.00 | 2 | M6X1 | £47.40 | 2-3 days | |
| D4.76-90-14 | 3/16 | 4 | 90 | 14.00 | 2 | M8X1 | £59.25 | 2-3 days | |
| D6.35-90-14 | 1/4 | 4 | 90 | 14.00 | 2 | M8X1 | £59.25 | 2-3 days | |
| D7.94-90-17 | 5/16 | 5 | 90 | 17.00 | 3 | M8X1 | £74.26 | 2-3 days | |
| D9.52-90-21 | 3/8 | 5 | 90 | 21.00 | 3 | M8X1 | £79.00 | 2-3 days | |
| D2.38-100-10 | 3/32 | 2 | 100 | 10.00 | 2 | M6X1 | £39.50 | 2-3 days | |
| D3.17-100-10 | 1/8 | 2.5 | 100 | 10.00 | 2 | M6X1 | £39.50 | 2-3 days | |
| D3.96-100-10 | 5/32 | 3.5 | 100 | 10.00 | 2 | M6X1 | £39.50 | 2-3 days | |
| D4.76-100-10 | 3/16 | 3.5 | 100 | 10.00 | 2 | M6X1 | £39.50 | 2-3 days | |
| D4.76-100-14 | 3/16 | 4 | 100 | 14.00 | 2 | M8X1 | £50.56 | 2-3 days | |
| D6.35-100-14 | 1/4 | 4 | 100 | 14.00 | 2 | M8X1 | £50.56 | 2-3 days | |
| D7.94-100-17 | 5/16 | 5 | 100 | 17.00 | 3 | M8X1 | £66.36 | 2-3 days | |
| D9.52-100-21 | 3/8 | 5 | 100 | 21.00 | 3 | M8X1 | £72.68 | 2-3 days | |
| D2.38-120-10 | 3/32 | 2 | 120 | 10.00 | 2 | M6X1 | £47.40 | 2-3 days | |
| D3.17-120-10 | 1/8 | 2.5 | 120 | 10.00 | 2 | M6X1 | £47.40 | 2-3 days | |
| D3.96-120-10 Viewing | 5/32 | 3.5 | 120 | 10.00 | 2 | M6X1 | £47.40 | 2-3 days | |
| D4.76-120-10 | 3/16 | 3.5 | 120 | 10.00 | 2 | M6X1 | £47.40 | 2-3 days | |
| D4.76-120-14 | 3/16 | 4 | 120 | 14.00 | 2 | M8X1 | £58.46 | 2-3 days | |
| D6.35-120-14 | 1/4 | 4 | 120 | 14.00 | 2 | M8X1 | £58.46 | 2-3 days | |
| D7.94-120-17 | 5/16 | 5 | 120 | 17.00 | 3 | M8X1 | £74.26 | 2-3 days | |
| D9.52-120-21 | 3/8 | 5 | 120 | 21.00 | 3 | M8X1 | £79.00 | 2-3 days |
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