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Dormer Pramet A242 1.00 mm x 4.00 mm HSS-E METRIC 60DEG LONG SERIES CENTRE DRILL
| Type | Centre Drill |
| Drill Diameter | 1.00 |
| Overall Length | 100 |
| Shank Diameter | 4 |
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Description
Precision centre drilling for machinists who demand reliable starting holes with minimal setup. The Dormer Pramet A242 is a long-series, double-ended centre drill engineered for accurate centre holes in shafts and similar components.
- Dimensions: 1.00 mm diameter x 4.00 mm overall length.
- Centre geometry: 118° pilot with a 60° centre cone for precise alignment and clean hole starting.
- Finish: Bright finish helps prevent workpiece material from sticking to the cutting edge and enhances chip flow.
- End design: Double-ended construction provides two usable drilling ends for extended tool life.
- Material: Premium HSS-E suitable for drilling steel, aluminium, and stainless steel.
- Long-series reach: Extended length enables use in applications where increased reach is required.
The combination of a dedicated 118° pilot and 60° cone delivers reliable centering and concentric holes, improving holding accuracy during subsequent operations. Made from high-performance HSS-E, this centre drill handles a range of materials without frequent edge recutting, while the two ends and longer reach maximize productivity in setups with limited access or deeper center holes.
Part Numbers
- Protool Part Number
- DOR-A2421.0X4.0
- Brand
- Dormer Pramet
- Category
- Drill
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: Dormer Pramet A242 HSS-E METRIC 60DEG LONG SERIES CENTRE DRILLS
View full collection →You are viewing DOR-A2421.0X4.0. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|
| DOR-A2421.0X4.0 Viewing | 1.00 | 100 | 4 | £12.45 | 2 days | |
| DOR-A2421.5X5.0 | 1.50 | 100 | 5 | £11.75 | 2 days | |
| DOR-A2422.0X6.0 | 2.00 | 100 | 6 | £13.32 | 2 days | |
| DOR-A2422.5X8.0 | 2.50 | 100 | 8 | £14.77 | 2 days | |
| DOR-A2423.0X10.0 | 3.00 | 100 | 10 | £18.88 | 2 days | |
| DOR-A2423.0X8.0 | 3.00 | 100 | 8 | £15.26 | 2 days | |
| DOR-A2424.0X10.0 | 4.00 | 100 | 10 | £25.03 | 2 days | |
| DOR-A2424.0X12.0 | 4.00 | 100 | 12 | £27.77 | 2 days | |
| DOR-A2425.0X12.0 | 5.00 | 100 | 12 | £35.39 | 2 days |
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