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Somta Stub Drill - HSS-E Parabolic Flute TiAlN COATED - 3.5mm
| Drill Diameter | 3.50 |
| Flute Length | 20 |
| Overall Length | 52 |
| Substrate | HSS-E |
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Description
The Somta Stub Drill - HSS-E Parabolic Flute TiAlN Coated (163-X) is a high-performance drill bit designed for demanding drilling tasks. Made from HSS-E (High-Speed Steel-E) with a TiAlN coating, it delivers exceptional hardness, heat resistance, and wear protection for tough metalworking jobs.
With a 3.5 mm diameter, it provides precise, clean holes. The parabolic flute design ensures efficient chip evacuation, reducing heat buildup and extending tool life, while the stub length adds rigidity for stable starts and accurate hole quality.
- TiAlN coating for wear resistance: The TiAlN coating increases hardness and high-temperature performance, helping the drill last longer and resist wear in metal drilling tasks.
- Parabolic flute for efficient chip evacuation: The curved flute design channels chips away from the cutting edge, keeping the tool cooler and reducing heat buildup for reliable performance.
- Stub length for rigidity and precision: The shorter flute length enhances rigidity, minimizes deflection, and supports accurate hole starts in challenging materials.
Designed to deliver consistent, reliable results across a range of metals and applications, this drill minimizes downtime and rework by maintaining hole accuracy and finish. The combination of a robust HSS-E core, protective TiAlN coating, and efficient chip evacuation translates to lower tool wear, cooler operation, and greater confidence in professional shops and DIY workshops alike.
Part Numbers
- Protool Part Number
- 1630350X
- 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 1630350X. 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 | In Stock | |
| 1630110X | 1.10 | 7 | 28 | 1.1 | £2.65 | In Stock | |
| 1630120X | 1.20 | 8 | 30 | 1.2 | £2.65 | In Stock | |
| 1630130X | 1.30 | 8 | 30 | 1.3 | £2.65 | In Stock | |
| 1630140X | 1.40 | 9 | 32 | 1.4 | £2.65 | In Stock | |
| 1630150X | 1.50 | 9 | 32 | 1.5 | £2.69 | In Stock | |
| 1630160X | 1.60 | 10 | 34 | 1.6 | £2.69 | In Stock | |
| 1630170X | 1.70 | 10 | 34 | 1.7 | £2.69 | In Stock | |
| 1630180X | 1.80 | 11 | 36 | 1.8 | £2.69 | In Stock | |
| 1630190X | 1.90 | 11 | 36 | 1.9 | £2.69 | In Stock | |
| 1630200X | 2.00 | 12 | 38 | 2 | £2.80 | 1-2 days | |
| 1630210X | 2.10 | 12 | 38 | 2.1 | £2.80 | In Stock | |
| 1630220X | 2.20 | 13 | 40 | 2.2 | £2.80 | In Stock | |
| 1630230X | 2.30 | 13 | 40 | 2.3 | £2.80 | In Stock | |
| 1630240X | 2.40 | 14 | 43 | 2.4 | £2.80 | 1-2 days | |
| 1630250X | 2.50 | 14 | 43 | 2.5 | £2.82 | 1-2 days | |
| 1630260X | 2.60 | 14 | 43 | 2.6 | £2.82 | In Stock | |
| 1630270X | 2.70 | 16 | 46 | 2.7 | £2.82 | 1-2 days | |
| 1630280X | 2.80 | 16 | 46 | 2.8 | £2.82 | 1-2 days | |
| 1630290X | 2.90 | 16 | 46 | 2.9 | £2.82 | 1-2 days | |
| 1630300X | 3.00 | 16 | 46 | 3 | £2.93 | In Stock | |
| 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 Viewing | 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 | 1-2 days | |
| 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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