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Robert Charles Plain Shank Counterbore Standard Metric - M8
| Cap Screw Size | M8 |
| Pilot Size | 9.0 |
| Cutting Diameter | 15.0 |
| Shank Size | 12.5 |
| Overall Length | 100 |
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The Robert Charles Plain Shank Counterbore – Standard Metric is a precision cutting tool designed for accurate counterboring in metric-hole applications. Suited for engineers, machinists, and workshop professionals, it delivers repeatable, clean bores with reliable performance.
- Plain shank design: A standard cylindrical shank that fits common tool holders for quick setup and repeatable alignment.
- Standard metric sizing: M8 counterbore configuration tailored to metric hole standards and fastener applications.
- Precision-ground cutting edges: Sharp, accurate form ensures clean, square counterbores with minimal burrs.
- Stable cutting performance: Design optimized for consistent depth control and reduced deflection during operation.
- Versatile workshop use: Ideal for general engineering, automotive, and maintenance tasks in busy shops.
- Reliability and durability: Built to withstand daily use in professional environments while maintaining accuracy.
This counterbore helps you achieve flush-fastener seating with confidence, improving joint strength and surface finish. The compatible plain shank and metric sizing streamline setup across multiple pieces, saving time and reducing the likelihood of misalignment. By delivering clean walls and consistent depths, it minimizes rework, speeds assembly, and supports higher repeatability in production runs.
| Cap Screw Size | M8 |
| Pilot Size | 9.0 |
| Cutting Diameter | 15.0 |
| Shank Size | 12.5 |
| Overall Length | 100 |
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 Plain Shank Counterbores Standard Metric
View full collection →You are viewing 5760-M8. Click any other SKU to view its full details.
| Product SKU | Cap Screw Size | Pilot Size | Cutting Diameter | Shank Size | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| 5760-M3 | M3 | 3.4 | 6.0 | 5.0 | 71 | £40.29 | 2-3 days | |
| 5760-M3.5 | M3.5 | 3.9 | 6.5 | 5.0 | 71 | £40.29 | 2-3 days | |
| 5760-M4 | M4 | 4.5 | 8 | 5.0 | 71 | £42.66 | 2-3 days | |
| 5760-M5 | M5 | 5.5 | 10.0 | 8.0 | 80 | £44.24 | 2-3 days | |
| 5760-M6 | M6 | 6.4 | 11.0 | 8.0 | 80 | £47.40 | 2-3 days | |
| 5760-M8 Viewing | M8 | 9.0 | 15.0 | 12.5 | 100 | £61.62 | 2-3 days | |
| 5760-M10 | M10 | 11.0 | 18.0 | 12.5 | 100 | £77.42 | 2-3 days | |
| 5760-M12 | M12 | 14.0 | 20.0 | 12.5 | 100 | £87.69 | 2-3 days |
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