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Vortex Spot Drill - HSS-E Cobalt 90° TiAlN Coated - 4mm
| Drill Diameter (DC) | 4 |
| Flute Length (LU) | 12 |
| Overall Length (OAL) | 55 |
| Substrate | HSS-E |
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Description
The Vortex Spot Drill in 4 mm is a precision tool designed for metalworking professionals and enthusiasts who need dependable center holes to anchor subsequent drilling operations. Built for performance, it delivers clean starting points with consistent accuracy.
- Diameter: 4 mm – compact size tailored for precise spot drilling and hole positioning.
- Material: HSS-E Cobalt substrate – premium high-speed steel with added cobalt for greater strength and heat resistance.
- Coating: TiAlN coating – increases hardness, boosts heat resistance, and improves lubricity for smoother cutting and easier chip evacuation.
- Point angle: 90° spot drill geometry – ensures accurate center holes that guide subsequent drills with minimal wandering.
- Chip evacuation: Enhanced coating and geometry promote efficient chip flow and reduce friction during drilling.
- Durability: Superior wear resistance extends tool life in demanding metalworking applications.
- Applications: Ideal for marking and starting holes in steel, stainless steel, aluminum, and other metals—prepares surfaces for larger-diameter drilling, reaming, or tapping.
With this Vortex spot drill, you gain reliable center holes, improved drilling accuracy, and a smoother workflow. The combination of HSS-E cobalt and TiAlN coating delivers durable performance under heat and pressure, making it a practical choice for workshops, fabrication shops, and professional manufacturing environments where precise hole starts matter.
Part Numbers
- Protool Part Number
- PRO1500428
- Brand
- Vortex
- Category
- Drill
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: Vortex Spot Drills - HSS-E Cobalt 90° TiAlN Coated (90-0-T)
View full collection →You are viewing PRO1500428. Click any other SKU to view its full details.
| Product SKU | Drill Diameter (DC) | Flute Length (LU) | Overall Length (OAL) | Shank Diameter (DMM) | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| PRO1500427 | 3 | 12 | 46 | 3 | £9.41 | In Stock | |
| PRO1500428 Viewing | 4 | 12 | 55 | 4 | £9.41 | 2 weeks | |
| PRO1500429 | 5 | 15 | 60 | 5 | £9.62 | In Stock | |
| PRO1500430 | 6 | 20 | 66 | 6 | £10.21 | 2 weeks | |
| PRO1500431 | 8 | 25 | 79 | 8 | £13.30 | In Stock | |
| PRO1500432 | 10 | 25 | 89 | 10 | £15.74 | In Stock | |
| PRO1500433 | 12 | 30 | 102 | 12 | £20.94 | 2 weeks | |
| PRO1500434 | 16 | 35 | 115 | 16 | £35.56 | 2 weeks | |
| PRO1500435 | 20 | 40 | 131 | 20 | £60.24 | In Stock |
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