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Toolex HSS-E Countersink - 90° Single Flute - 4mm
| Cutter Diameter | 4 |
| Max Depth | 1 |
| Shank Diameter | 4 |
| Overall Length | 40 |
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Description
The Toolex HSS-E Countersink delivers precise, clean countersinks with a 90° single-flute design, built for professionals tackling chamfers and deburring in metalworking and fabrication projects. Designed for reliable, long-lasting performance, it’s a dependable choice when clean edges matter.
- Diameter: 4 mm
- Angle: 90° (shallow countersink for chamfers and deburring)
- Flute design: Single flute for efficient chip evacuation
- Material: HSS-E (High-Speed Steel with Cobalt) for increased durability and heat resistance
- Chip evacuation: Optimized flow to minimize clogging during cutting
- Durability: Enhanced wear resistance to prolong tool life under demanding use
Efficient countersinking with the Toolex HSS-E means smoother cuts, fewer burrs, and consistent results across projects. The combination of a 90° angle and a cobalt-enhanced steel provides dependable performance for creating clean chamfers and deburring edges, even under higher drill-through heat. This 4 mm countersink is a practical addition to any metalworking or fabrication toolkit, offering reliable precision when accuracy and finish quality are essential.
Part Numbers
- Protool Part Number
- M0421040AM
- Brand
- Toolex
- 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: Toolex HSS-E Countersink - 90° Single Flute
View full collection →You are viewing M0421040AM. Click any other SKU to view its full details.
| Product SKU | Cutter Diameter | Max Depth | Shank Diameter | Overall Length | Angle | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| M0421040AM Viewing | 4 | 1 | 4 | 40 | 90 | £10.65 | In Stock | |
| M0421050AM | 5 | 1 | 5 | 40 | 90 | £11.20 | In Stock | |
| M0421060AM | 6 | 1 | 6 | 40 | 90 | £11.85 | In Stock | |
| M0421080AM | 8 | 1 | 6 | 40 | 90 | £13.10 | In Stock | |
| M0421100AM | 10 | 1 | 6 | 45 | 90 | £14.40 | In Stock | |
| M0421120AM | 12 | 2 | 8 | 50 | 90 | £17.00 | In Stock | |
| M0421150AM | 15 | 2 | 8 | 55 | 90 | £18.30 | In Stock | |
| M0421200AM | 20 | 2 | 10 | 65 | 90 | £32.50 | In Stock | |
| M0421250AM | 25 | 3 | 12 | 78 | 90 | £45.25 | In Stock | |
| M0421300AM | 30 | 3 | 12 | 88 | 90 | £61.25 | In Stock | |
| M0421350AM | 35 | 4 | 16 | 103 | 90 | £103.40 | In Stock | |
| M0421400AM | 40 | 5 | 16 | 118 | 90 | £123.85 | In Stock | |
| M0421500AM | 50 | 12 | 16 | 126 | 90 | £171.00 | In Stock |
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