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Dormer Pramet A242 4.00 mm x 12.00 mm HSS-E METRIC 60DEG LONG SERIES CENTRE DRILL
| Type | Centre Drill |
| Drill Diameter | 4.00 |
| Overall Length | 100 |
| Shank Diameter | 12 |
| Substrate | HSS-E |
| Coated | No |
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Engineered for precision and reliability, the Dormer Pramet A242 centre drill is a 4.00 mm diameter, 12.00 mm long tool designed to create accurate center holes in shafts for secure workholding. Ideal for machinists and workshop professionals who need repeatable, clean center holes and dependable performance.
- Diameter: 4.00 mm
- Overall length: 12.00 mm
- Material: HSS-E (premium high-speed steel) for versatile drilling across steel, aluminium, and stainless steel
- Pilot angle: 118° pilot for precise starting holes
- Center cone angle: 60° cone to form a clean, accurate center hole
- Double-ended design: Two drilling ends deliver increased productivity and better tool economy
- Finish: Bright finish reduces workpiece material sticking to the cutting edge
- Series: Long-series design provides extended reach for deeper or harder-to-access centers
The A242 centre drill excels at establishing robust centers in shafts and similar components, enabling secure holding in chucks or fixtures. The 118° pilot and 60° cone work together to deliver quick, accurate centering, which reduces setup time and improves downstream hole quality. With a bright finish that minimizes build-up and a practical double-ended design, this drill offers dependable performance across a range of materials—including steel, aluminium, and stainless steel—while its longer length expands usable scenarios where reach matters.
| Type | Centre Drill |
| Drill Diameter | 4.00 |
| Overall Length | 100 |
| Shank Diameter | 12 |
| Substrate | HSS-E |
| Coated | No |
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: Dormer Pramet A242 HSS-E METRIC 60DEG LONG SERIES CENTRE DRILLS
View full collection →You are viewing DOR-A2424.0X12.0. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|
| DOR-A2421.0X4.0 | 1.00 | 100 | 4 | £11.76 | 2 days | |
| DOR-A2421.5X5.0 | 1.50 | 100 | 5 | £11.11 | 2 days | |
| DOR-A2422.0X6.0 | 2.00 | 100 | 6 | £12.59 | 2 days | |
| DOR-A2422.5X8.0 | 2.50 | 100 | 8 | £13.95 | 2 days | |
| DOR-A2423.0X10.0 | 3.00 | 100 | 10 | £17.83 | 2 days | |
| DOR-A2423.0X8.0 | 3.00 | 100 | 8 | £14.41 | 2 days | |
| DOR-A2424.0X10.0 | 4.00 | 100 | 10 | £23.67 | 2 days | |
| DOR-A2424.0X12.0 Viewing | 4.00 | 100 | 12 | £26.27 | 2 days | |
| DOR-A2425.0X12.0 | 5.00 | 100 | 12 | £33.47 | 2 days |
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