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Robert Charles Deburring Tools Through Hole - Zero Flute - Imperial 100° - 3/8 Head Diameter
| Head Diameter | 3/8 |
| Shank Diameter | 1/4 |
| Overall Length | 1.3/4 |
| Shank Length | 1.1/4 |
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Description
The Robert Charles Through Hole Deburring Tool with Zero Flute and Imperial 90° geometry is a precision solution designed for fast, accurate deburring, chamfering, and light countersinking of through holes. It’s ideal for engineers, fabricators, and maintenance technicians who need clean, consistent hole finishes without slowing down production.
Crafted from high-quality M35 HSS-E with cobalt, this tool delivers outstanding wear resistance and heat tolerance, extending tool life even in demanding engineering and production environments. Its robust construction stands up to tough materials and high‑speed applications, helping you maintain consistent performance over many cycles.
- Fast, accurate deburring and chamfering for through holes: Quickly remove burrs and create clean chamfers and light countersinks, reducing finishing time and improving edge quality across parts.
- Durable M35 HSS-E with cobalt construction: Excellent wear resistance and heat tolerance translate to longer tool life and reliable performance in challenging materials and busy workshops.
- Zero-flute, Imperial 90° geometry for clean edges: Zero flute design minimizes resistance and produces smooth edge finishes with predictable results in a wide range of through-hole applications.
Using this through-hole deburring tool helps streamline your workflow, cut finishing time, and deliver repeatable, professional results. Its combination of durable metallurgy and precise geometry reduces downtime, lowers replacement costs, and gives you confidence when finishing critical holes in assemblies.
Part Numbers
- Protool Part Number
- 5890-3/8-100
- 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 Deburring Tools Through Hole - Zero Flute - Imperial 90°
View full collection →You are viewing 5890-3/8-100. Click any other SKU to view its full details.
| Product SKU | Head Diameter | Shank Diameter | Overall Length | Shank Length | Inclusive Angle | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| 5890-1/4-90 | 1/4 | 3/16 | 1.3/4 | 1.3/8 | 90 | £25.28 | 2-3 days | |
| 5890-5/16-90 | 5/16 | 1/4 | 1.3/4 | 1.1/4 | 90 | £26.86 | 2-3 days | |
| 5890-3/8-90 | 3/8 | 1/4 | 1.3/4 | 1.1/4 | 90 | £27.65 | 2-3 days | |
| 5890-1/2-90 | 1/2 | 5/16 | 1.7/8 | 1.1/4 | 90 | £32.39 | 2-3 days | |
| 5890-5/8-90 | 5/8 | 3/8 | 2.1/4 | 1.3/8 | 90 | £41.87 | 2-3 days | |
| 5890-3/4-90 | 3/4 | 3/8 | 2.1/4 | 1.1/2 | 90 | £53.72 | 2-3 days | |
| 5890-1-90 | 1 | 3/8 | 2.3/4 | 1.1/4 | 90 | £72.68 | 2-3 days | |
| 5890-1.1/4-90 | 1.1/4 | 1/2 | 3.1/4 | 1.1/2 | 90 | £159.58 | 2-3 days | |
| 5890-1/4-60 | 1/4 | 3/16 | 1.3/4 | 1.3/8 | 60 | £36.34 | 2-3 days | |
| 5890-5/16-60 | 5/16 | 1/4 | 1.3/4 | 1.1/4 | 60 | £38.71 | 2-3 days | |
| 5890-3/8-60 | 3/8 | 1/4 | 1.3/4 | 1.1/4 | 60 | £39.50 | 2-3 days | |
| 5890-1/2-60 | 1/2 | 5/16 | 1.7/8 | 1.1/4 | 60 | £45.03 | 2-3 days | |
| 5890-5/8-60 | 5/8 | 3/8 | 2.1/4 | 1.3/8 | 60 | £55.30 | 2-3 days | |
| 5890-3/4-60 | 3/4 | 3/8 | 2.1/4 | 1.1/2 | 60 | £67.94 | 2-3 days | |
| 5890-1-60 | 1 | 3/8 | 2.3/4 | 1.1/4 | 60 | £95.59 | 2-3 days | |
| 5890-1.1/4-60 | 1.1/4 | 1/2 | 3.1/4 | 1.1/2 | 60 | £208.56 | 2-3 days | |
| 5890-1/4-82 | 1/4 | 3/16 | 1.3/4 | 1.3/8 | 82 | £36.34 | 2-3 days | |
| 5890-5/16-82 | 5/16 | 1/4 | 1.3/4 | 1.1/4 | 82 | £38.71 | 2-3 days | |
| 5890-3/8-82 | 3/8 | 1/4 | 1.3/4 | 1.1/4 | 82 | £39.50 | 2-3 days | |
| 5890-1/2-82 | 1/2 | 5/16 | 1.7/8 | 1.1/4 | 82 | £45.03 | 2-3 days | |
| 5890-5/8-82 | 5/8 | 3/8 | 2.1/4 | 1.3/8 | 82 | £55.30 | 2-3 days | |
| 5890-3/4-82 | 3/4 | 3/8 | 2.1/4 | 1.1/2 | 82 | £67.94 | 2-3 days | |
| 5890-1-82 | 1 | 3/8 | 2.3/4 | 1.1/4 | 82 | £95.59 | 2-3 days | |
| 5890-1.1/4-82 | 1.1/4 | 1/2 | 3.1/4 | 1.1/2 | 82 | £208.56 | 2-3 days | |
| 5890-1/4-100 | 1/4 | 3/16 | 1.3/4 | 1.3/8 | 100 | £36.34 | 2-3 days | |
| 5890-5/16-100 | 5/16 | 1/4 | 1.3/4 | 1.1/4 | 100 | £38.71 | 2-3 days | |
| 5890-3/8-100 Viewing | 3/8 | 1/4 | 1.3/4 | 1.1/4 | 100 | £39.50 | 2-3 days | |
| 5890-1/2-100 | 1/2 | 5/16 | 1.7/8 | 1.1/4 | 100 | £45.03 | 2-3 days | |
| 5890-5/8-100 | 5/8 | 3/8 | 2.1/4 | 1.3/8 | 100 | £55.30 | 2-3 days | |
| 5890-3/4-100 | 3/4 | 3/8 | 2.1/4 | 1.1/2 | 100 | £67.94 | 2-3 days | |
| 5890-1-100 | 1 | 3/8 | 2.3/4 | 1.1/4 | 100 | £95.59 | 2-3 days | |
| 5890-1.1/4-100 | 1.1/4 | 1/2 | 3.1/4 | 1.1/2 | 100 | £208.56 | 2-3 days | |
| 5890-1/4-120 | 1/4 | 3/16 | 1.3/4 | 1.3/8 | 120 | £45.82 | 2-3 days | |
| 5890-5/16-120 | 5/16 | 1/4 | 1.3/4 | 1.1/4 | 120 | £47.40 | 2-3 days | |
| 5890-3/8-120 | 3/8 | 1/4 | 1.3/4 | 1.1/4 | 120 | £48.19 | 2-3 days | |
| 5890-1/2-120 | 1/2 | 5/16 | 1.7/8 | 1.1/4 | 120 | £53.72 | 2-3 days | |
| 5890-5/8-120 | 5/8 | 3/8 | 2.1/4 | 1.3/8 | 120 | £64.78 | 2-3 days | |
| 5890-3/4-120 | 3/4 | 3/8 | 2.1/4 | 1.1/2 | 120 | £76.63 | 2-3 days | |
| 5890-1-120 | 1 | 3/8 | 2.3/4 | 1.1/4 | 120 | £105.07 | 2-3 days | |
| 5890-1.1/4-120 | 1.1/4 | 1/2 | 3.1/4 | 1.1/2 | 120 | £227.52 | 2-3 days |
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