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Somta Stub Drill - HSS-E Parabolic Flute TiAlN COATED - 2.4mm
| Drill Diameter | 2.40 |
| Flute Length | 14 |
| Overall Length | 43 |
| Substrate | HSS-E |
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Description
The Somta Stub Drill in the HSS-E Parabolic Flute TiAlN Coated (163-X) series is a high-performance drill bit designed for demanding drilling applications. Made from HSS-E, it delivers exceptional hardness, heat resistance, and durability for tough metals and alloys. The 2.4 mm diameter makes it ideal for precise pilot holes and fine-feature drilling.
Featuring a TiAlN coating for wear resistance and lubricity, a parabolic flute for efficient chip evacuation, and a stub-length design for rigidity and stability, this drill delivers precise, clean holes with reduced heat buildup and reliable results across a wide range of tasks—from professional manufacturing to hobbyist projects.
- HSS-E construction for tough materials: Built from High-Speed Steel-E to deliver hardness, heat resistance, and long tool life in demanding drilling tasks.
- TiAlN coating for wear and heat resistance: Increases wear life and lubricity, helping the bit stay sharp longer and run cooler under heavy cutting conditions.
- Parabolic flute and stub design for precision: Efficient chip evacuation and enhanced rigidity ensure accurate hole placement and consistent results, even in challenging workpieces.
This combination translates to reliable, repeatable performance across a range of metals and alloys, longer tool life, and fewer tool changes. With its compact 2.4 mm size and proven geometry, the Somta Stub Drill supports faster workflows, cleaner hole quality, and dependable results for both professional shops and skilled DIY setups.
Part Numbers
- Protool Part Number
- 1630240X
- Brand
- Somta
- 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: Somta Stub Drill - HSS-E Parabolic Flute TiAlN COATED (163-X)
View full collection →You are viewing 1630240X. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| 1630100X | 1.00 | 6 | 26 | 1 | £2.65 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630110X | 1.10 | 7 | 28 | 1.1 | £2.65 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630120X | 1.20 | 8 | 30 | 1.2 | £2.65 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630130X | 1.30 | 8 | 30 | 1.3 | £2.65 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630140X | 1.40 | 9 | 32 | 1.4 | £2.65 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630150X | 1.50 | 9 | 32 | 1.5 | £2.69 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630160X | 1.60 | 10 | 34 | 1.6 | £2.69 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630170X | 1.70 | 10 | 34 | 1.7 | £2.69 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630180X | 1.80 | 11 | 36 | 1.8 | £2.69 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630190X | 1.90 | 11 | 36 | 1.9 | £2.69 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630200X | 2.00 | 12 | 38 | 2 | £2.80 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1630210X | 2.10 | 12 | 38 | 2.1 | £2.80 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630220X | 2.20 | 13 | 40 | 2.2 | £2.80 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630230X | 2.30 | 13 | 40 | 2.3 | £2.80 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630240X Viewing | 2.40 | 14 | 43 | 2.4 | £2.80 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1630250X | 2.50 | 14 | 43 | 2.5 | £2.82 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1630260X | 2.60 | 14 | 43 | 2.6 | £2.82 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630270X | 2.70 | 16 | 46 | 2.7 | £2.82 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1630280X | 2.80 | 16 | 46 | 2.8 | £2.82 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1630290X | 2.90 | 16 | 46 | 2.9 | £2.82 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1630300X | 3.00 | 16 | 46 | 3 | £2.93 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1630310X | 3.10 | 18 | 49 | 3.1 | £3.37 | In Stock | |
| 1630320X | 3.20 | 18 | 49 | 3.2 | £3.37 | In Stock | |
| 1630330X | 3.30 | 18 | 49 | 3.3 | £3.37 | 1-2 days | |
| 1630340X | 3.40 | 20 | 52 | 3.4 | £3.73 | In Stock | |
| 1630350X | 3.50 | 20 | 52 | 3.5 | £4.75 | In Stock | |
| 1630360X | 3.60 | 20 | 52 | 3.6 | £4.75 | In Stock | |
| 1630370X | 3.70 | 20 | 52 | 3.7 | £4.75 | In Stock | |
| 1630380X | 3.80 | 22 | 55 | 3.8 | £4.75 | In Stock | |
| 1630390X | 3.90 | 22 | 55 | 3.9 | £4.75 | In Stock | |
| 1630400X | 4.00 | 22 | 55 | 4 | £5.66 | In Stock | |
| 1630410X | 4.10 | 22 | 55 | 4.1 | £5.66 | In Stock | |
| 1630420X | 4.20 | 22 | 55 | 4.2 | £5.66 | In Stock | |
| 1630430X | 4.30 | 24 | 58 | 4.3 | £5.66 | In Stock | |
| 1630440X | 4.40 | 24 | 58 | 4.4 | £5.66 | In Stock | |
| 1630450X | 4.50 | 24 | 58 | 4.5 | £5.70 | In Stock | |
| 1630460X | 4.60 | 24 | 58 | 4.6 | £5.70 | In Stock | |
| 1630480X | 4.80 | 26 | 62 | 4.8 | £5.70 | In Stock | |
| 1630490X | 4.90 | 26 | 62 | 4.9 | £5.70 | In Stock | |
| 1630500X | 5.00 | 26 | 62 | 5 | £5.98 | 1-2 days | |
| 1630510X | 5.10 | 26 | 62 | 5.1 | £5.98 | In Stock | |
| 1630520X | 5.20 | 26 | 62 | 5.2 | £5.98 | In Stock | |
| 1630530X | 5.30 | 26 | 62 | 5.3 | £5.98 | In Stock | |
| 1630540X | 5.40 | 28 | 66 | 5.4 | £5.98 | In Stock | |
| 1630550X | 5.50 | 28 | 66 | 5.5 | £6.70 | In Stock | |
| 1630560X | 5.60 | 28 | 66 | 5.6 | £6.70 | In Stock | |
| 1630570X | 5.70 | 28 | 66 | 5.7 | £6.70 | In Stock | |
| 1630580X | 5.80 | 28 | 66 | 5.8 | £6.70 | In Stock | |
| 1630590X | 5.90 | 28 | 66 | 5.9 | £6.70 | In Stock | |
| 1630600X | 6.00 | 28 | 66 | 6 | £7.29 | In Stock | |
| 1630610X | 6.10 | 31 | 70 | 6.1 | £7.29 | In Stock | |
| 1630620X | 6.20 | 31 | 70 | 6.2 | £7.29 | In Stock | |
| 1630630X | 6.30 | 31 | 70 | 6.3 | £7.29 | In Stock | |
| 1630640X | 6.40 | 31 | 70 | 6.4 | £7.29 | In Stock | |
| 1630650X | 6.50 | 31 | 70 | 6.5 | £7.89 | In Stock | |
| 1630660X | 6.60 | 31 | 70 | 6.6 | £7.89 | In Stock | |
| 1630670X | 6.70 | 31 | 70 | 6.7 | £7.89 | In Stock | |
| 1630680X | 6.80 | 34 | 74 | 6.8 | £7.89 | In Stock | |
| 1630690X | 6.90 | 34 | 74 | 6.9 | £7.89 | In Stock | |
| 1630700X | 7.00 | 34 | 74 | 7 | £8.27 | In Stock | |
| 1630710X | 7.10 | 34 | 74 | 7.1 | £8.27 | In Stock | |
| 1630720X | 7.20 | 34 | 74 | 7.2 | £8.27 | In Stock | |
| 1630730X | 7.30 | 34 | 74 | 7.3 | £8.27 | In Stock | |
| 1630740X | 7.40 | 34 | 74 | 7.4 | £8.27 | In Stock | |
| 1630750X | 7.50 | 34 | 74 | 7.5 | £9.54 | In Stock | |
| 1630760X | 7.60 | 37 | 79 | 7.6 | £9.54 | In Stock | |
| 1630770X | 7.70 | 37 | 79 | 7.7 | £9.54 | In Stock | |
| 1630780X | 7.80 | 37 | 79 | 7.8 | £9.54 | In Stock | |
| 1630790X | 7.90 | 37 | 79 | 7.9 | £9.54 | In Stock | |
| 1630800X | 8.00 | 37 | 79 | 8 | £10.05 | In Stock | |
| 1630810X | 8.10 | 37 | 79 | 8.1 | £10.05 | In Stock | |
| 1630820X | 8.20 | 37 | 79 | 8.2 | £10.05 | In Stock | |
| 1630830X | 8.30 | 37 | 79 | 8.3 | £10.05 | In Stock | |
| 1630840X | 8.40 | 37 | 79 | 8.4 | £10.05 | In Stock | |
| 1630850X | 8.50 | 37 | 79 | 8.5 | £12.23 | 1-2 days | |
| 1630860X | 8.60 | 40 | 84 | 8.6 | £12.23 | In Stock | |
| 1630870X | 8.70 | 40 | 84 | 8.7 | £12.23 | In Stock | |
| 1630880X | 8.80 | 40 | 84 | 8.8 | £12.23 | In Stock | |
| 1630890X | 8.90 | 40 | 84 | 8.9 | £12.23 | In Stock | |
| 1630900X | 9.00 | 40 | 84 | 9 | £12.51 | In Stock | |
| 1630910X | 9.10 | 40 | 84 | 9.1 | £12.51 | In Stock | |
| 1630920X | 9.20 | 40 | 84 | 9.2 | £12.51 | In Stock | |
| 1630930X | 9.30 | 40 | 84 | 9.3 | £12.51 | In Stock | |
| 1630940X | 9.40 | 40 | 84 | 9.4 | £12.51 | In Stock | |
| 1630950X | 9.50 | 40 | 84 | 9.5 | £13.23 | In Stock | |
| 1630960X | 9.60 | 43 | 89 | 9.6 | £13.23 | In Stock | |
| 1630970X | 9.70 | 43 | 89 | 9.7 | £13.23 | In Stock | |
| 1630980X | 9.80 | 43 | 89 | 9.8 | £13.23 | In Stock | |
| 1630990X | 9.90 | 43 | 89 | 9.9 | £13.23 | In Stock | |
| 1631000X | 10.00 | 43 | 89 | 10 | £14.39 | In Stock | |
| 1631020X | 10.20 | 43 | 89 | 10.2 | £14.39 | In Stock | |
| 1631050X | 10.50 | 43 | 89 | 10.5 | £15.39 | In Stock | |
| 1631080X | 10.80 | 47 | 95 | 10.8 | £15.39 | 1-2 days | |
| 1631100X | 11.00 | 47 | 95 | 11 | £16.30 | In Stock | |
| 1631120X | 11.20 | 47 | 95 | 11.2 | £16.98 | In Stock | |
| 1631150X | 11.50 | 47 | 95 | 11.5 | £17.07 | In Stock | |
| 1631200X | 12.00 | 51 | 102 | 12 | £19.67 | In Stock | |
| 1631250X | 12.50 | 51 | 102 | 12.5 | £22.92 | In Stock | |
| 1631300X | 13.00 | 51 | 102 | 13 | £23.89 | In Stock |
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