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Somta Jobber Drill Parabolic Flute - TiAlN Coated - 2.5mm
| Drill Diameter | 2.50 |
| Flute Length | 30 |
| Overall Length | 57 |
| Substrate | HSS-E |
Learn more about Klarna
Description
The Somta Parabolic Flute Jobber Drill, TiAlN Coated, 2.5 mm diameter, is a high-performance drill bit designed for precision drilling across a wide range of metals. Its parabolic flute geometry promotes rapid chip evacuation and steadier cutting, helping you maintain hole quality and reduce tool wear in demanding materials.
Coated with TiAlN, this drill offers improved hardness, heat resistance, and lubricity. The coating minimizes friction and heat buildup, enabling higher cutting speeds, longer tool life, and more consistent performance—from stainless steel to alloy steels and cast iron.
- Parabolic flute for efficient chip evacuation: The parabolic flute channels chips away from the cutting edge, reducing cutting forces and minimizing clogging, which helps sustain sharpness and improve hole quality in tough metals.
- TiAlN coating for hardness and heat resistance: The titanium aluminum nitride layer delivers excellent hardness and heat tolerance, lowers friction, and extends tool life even at higher speeds and in demanding materials.
- Versatile, reliable performance across metals: Engineered to deliver consistent holes in stainless steel, alloy steels, and cast iron, this drill maintains accuracy and finish without frequent tool changes.
This combination of geometry and coating means fewer tool changes, less downtime, and more predictable results across jobs. Expect cleaner holes, tighter tolerances, and longer intervals between sharpening, making it a dependable choice for workshops, job shops, and on-site projects alike.
Part Numbers
- Protool Part Number
- 1640250X
- 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 Parabolic Flute Jobber Drills TiAlN Coated (164X)
View full collection →You are viewing 1640250X. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| 1640100X | 1.00 | 12 | 34 | 1 | £2.42 | In Stock | |
| 1640110X | 1.10 | 14 | 36 | 1.1 | £2.42 | In Stock | |
| 1640120X | 1.20 | 16 | 38 | 1.2 | £2.42 | In Stock | |
| 1640130X | 1.30 | 16 | 38 | 1.3 | £2.42 | In Stock | |
| 1640140X | 1.40 | 18 | 40 | 1.4 | £2.42 | In Stock | |
| 1640150X | 1.50 | 18 | 40 | 1.5 | £3.29 | 1-2 days | |
| 1640160X | 1.60 | 20 | 43 | 1.6 | £3.29 | In Stock | |
| 1640170X | 1.70 | 20 | 43 | 1.7 | £3.29 | In Stock | |
| 1640180X | 1.80 | 22 | 46 | 1.8 | £3.29 | 1-2 days | |
| 1640190X | 1.90 | 22 | 46 | 1.9 | £3.29 | In Stock | |
| 1640200X | 2.00 | 24 | 49 | 2 | £3.73 | In Stock | |
| 1640210X | 2.10 | 24 | 49 | 2.1 | £3.73 | In Stock | |
| 1640220X | 2.20 | 27 | 53 | 2.2 | £3.73 | In Stock | |
| 1640230X | 2.30 | 27 | 53 | 2.3 | £3.73 | In Stock | |
| 1640240X | 2.40 | 30 | 57 | 2.4 | £3.73 | 1-2 days | |
| 1640250X Viewing | 2.50 | 30 | 57 | 2.5 | £4.20 | In Stock | |
| 1640260X | 2.60 | 30 | 57 | 2.6 | £4.20 | In Stock | |
| 1640270X | 2.70 | 33 | 61 | 2.7 | £4.20 | In Stock | |
| 1640280X | 2.80 | 33 | 61 | 2.8 | £4.20 | 1-2 days | |
| 1640290X | 2.90 | 33 | 61 | 2.9 | £4.20 | In Stock | |
| 1640300X | 3.00 | 33 | 61 | 3 | £4.83 | In Stock | |
| 1640310X | 3.10 | 36 | 65 | 3.1 | £4.83 | In Stock | |
| 1640320X | 3.20 | 36 | 65 | 3.2 | £4.83 | In Stock | |
| 1640330X | 3.30 | 36 | 65 | 3.3 | £4.83 | 1-2 days | |
| 1640340X | 3.40 | 39 | 70 | 3.4 | £4.83 | In Stock | |
| 1640350X | 3.50 | 39 | 70 | 3.5 | £5.19 | 1-2 days | |
| 1640380X | 3.80 | 43 | 75 | 3.8 | £5.19 | In Stock | |
| 1640390X | 3.90 | 43 | 75 | 3.9 | £5.19 | In Stock | |
| 1640400X | 4.00 | 43 | 75 | 4 | £5.30 | In Stock | |
| 1640410X | 4.10 | 43 | 75 | 4.1 | £5.30 | In Stock | |
| 1640420X | 4.20 | 43 | 75 | 4.2 | £5.30 | In Stock | |
| 1640430X | 4.30 | 47 | 80 | 4.3 | £5.30 | In Stock | |
| 1640440X | 4.40 | 47 | 80 | 4.4 | £5.30 | In Stock | |
| 1640450X | 4.50 | 47 | 80 | 4.5 | £5.38 | In Stock | |
| 1640480X | 4.80 | 52 | 86 | 4.8 | £5.38 | In Stock | |
| 1640490X | 4.90 | 52 | 86 | 4.9 | £5.38 | In Stock | |
| 1640500X | 5.00 | 52 | 86 | 5 | £6.42 | In Stock | |
| 1640510X | 5.10 | 52 | 86 | 5.1 | £6.42 | In Stock | |
| 1640520X | 5.20 | 52 | 86 | 5.2 | £6.42 | In Stock | |
| 1640530X | 5.30 | 52 | 86 | 5.3 | £6.42 | In Stock | |
| 1640540X | 5.40 | 57 | 93 | 5.4 | £6.42 | In Stock | |
| 1640550X | 5.50 | 57 | 93 | 5.5 | £7.87 | In Stock | |
| 1640560X | 5.60 | 57 | 93 | 5.6 | £7.87 | In Stock | |
| 1640570X | 5.70 | 57 | 93 | 5.7 | £7.87 | In Stock | |
| 1640580X | 5.80 | 57 | 93 | 5.8 | £7.87 | In Stock | |
| 1640590X | 5.90 | 57 | 93 | 5.9 | £7.87 | In Stock | |
| 1640600X | 6.00 | 57 | 93 | 6 | £8.95 | In Stock | |
| 1640610X | 6.10 | 63 | 101 | 6.1 | £8.95 | In Stock | |
| 1640620X | 6.20 | 63 | 101 | 6.2 | £8.95 | In Stock | |
| 1640630X | 6.30 | 63 | 101 | 6.3 | £8.95 | In Stock | |
| 1640640X | 6.40 | 63 | 101 | 6.4 | £8.95 | In Stock | |
| 1640650X | 6.50 | 63 | 101 | 6.5 | £11.64 | In Stock | |
| 1640660X | 6.60 | 63 | 101 | 6.6 | £11.64 | In Stock | |
| 1640670X | 6.70 | 63 | 101 | 6.7 | £11.64 | In Stock | |
| 1640680X | 6.80 | 69 | 109 | 6.8 | £11.64 | In Stock | |
| 1640690X | 6.90 | 69 | 109 | 6.9 | £11.64 | In Stock | |
| 1640700X | 7.00 | 69 | 109 | 7 | £12.70 | In Stock | |
| 1640710X | 7.10 | 69 | 109 | 7.1 | £12.70 | In Stock | |
| 1640720X | 7.20 | 69 | 109 | 7.2 | £12.70 | In Stock | |
| 1640730X | 7.30 | 69 | 109 | 7.3 | £12.70 | In Stock | |
| 1640740X | 7.40 | 69 | 109 | 7.4 | £12.70 | In Stock | |
| 1640750X | 7.50 | 69 | 109 | 7.5 | £12.83 | In Stock | |
| 1640760X | 7.60 | 75 | 117 | 7.6 | £12.83 | In Stock | |
| 1640770X | 7.70 | 75 | 117 | 7.7 | £12.83 | In Stock | |
| 1640780X | 7.80 | 75 | 117 | 7.8 | £12.83 | In Stock | |
| 1640790X | 7.90 | 75 | 117 | 7.9 | £12.83 | In Stock | |
| 1640800X | 8.00 | 75 | 117 | 8 | £14.48 | In Stock | |
| 1640850X | 8.50 | 75 | 117 | 8.5 | £14.92 | In Stock | |
| 1640900X | 9.00 | 81 | 125 | 9 | £15.39 | In Stock | |
| 1640950X | 9.50 | 81 | 125 | 9.5 | £16.11 | In Stock | |
| 1641000X | 10.00 | 87 | 133 | 10 | £17.94 | In Stock | |
| 1641050X | 10.50 | 87 | 133 | 10.5 | £19.99 | In Stock | |
| 1641100X | 11.00 | 94 | 142 | 11 | £21.69 | In Stock | |
| 1641150X | 11.50 | 94 | 142 | 11.5 | £22.79 | In Stock | |
| 1641200X | 12.00 | 101 | 151 | 12 | £24.78 | In Stock | |
| 1641250X | 12.50 | 101 | 151 | 12.5 | £27.31 | In Stock | |
| 1641300X | 13.00 | 101 | 151 | 13 | £28.34 | In Stock |
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