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Somta Jobber Drills Parabolic Flute - UnCoated - 7.7mm
SKU:1640770
The Somta Parabolic Flute Jobber Drill, Uncoated, 7.7 mm, is a versatile general‑purpose drill bit designed for a wide range of materials and everyday drilling tasks. Its parabolic flute design i...
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Material Compatibility
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Specifications at a glance
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| Drill Diameter | 7.70 |
| Flute Length | 75 |
| Overall Length | 117 |
| Substrate | HSS-E |
£9.39
Prices shown ex. VAT
In Stock
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Learn more about Klarna
Description
The Somta Parabolic Flute Jobber Drill, Uncoated, 7.7 mm, is a versatile general‑purpose drill bit designed for a wide range of materials and everyday drilling tasks. Its parabolic flute design improves chip evacuation and reduces cutting forces for smoother, more controlled drilling.
This uncoated drill design helps dissipate heat, enabling reliable performance across stainless steel, alloy steels, cast iron, and non‑ferrous metals. The sharp cutting edges deliver clean, precise holes with minimal burrs, helping you finish jobs quickly with less deburring.
- Parabolic flute for efficient chip evacuation: Keeps chips moving away from the cutting edge, reducing clogging and cutting resistance for smoother, more consistent holes.
- Uncoated construction for heat dissipation and material versatility: The uncoated surface improves heat management, enabling reliable performance across stainless steel, alloy steels, cast iron, and non‑ferrous metals.
- Sharp edges for clean holes with minimal burrs: Delivers precise hole sizes and smoother finishing, reducing finishing time and rework.
Whether you’re outfitting a workshop, updating a maintenance kit, or tackling mixed‑material projects, this 7.7 mm Somta Parabolic Flute Jobber Drill delivers dependable, repeatable results. The combination of parabolic flute geometry, uncoated construction, and sharp cutting edges supports faster drilling, fewer burrs, and less downtime—so you can complete projects with confidence and accuracy.
Part Numbers
- Protool Part Number
- 1640770
- Brand
- Somta
- Category
- Drill
No downloads are attached to this product yet.
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
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.
Ask our technical team about this tool
Full Range: Somta Parabolic Flute Jobber Drills UnCoated (164)
View full collection →You are viewing 1640770. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| 1640100 | 1.00 | 12 | 34 | 1 | £1.59 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640102 | No.60 | 12 | 34 | No.60 | £1.70 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640104 | No.59 | 12 | 34 | No.59 | £1.70 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640107 | No.58 | 14 | 36 | No.58 | £1.70 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640109 | No.57 | 14 | 36 | No.57 | £1.70 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640110 | 1.10 | 14 | 36 | 1.1 | £1.57 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640118 | No.56 | 14 | 36 | No.56 | £1.93 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640119 | 3/64 | 16 | 38 | 3/64″ | £1.93 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640120 | 1.20 | 16 | 38 | 1.2 | £1.93 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640130 | 1.30 | 16 | 38 | 1.3 | £1.93 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640132 | No.55 | 16 | 38 | No.55 | £2.01 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640139 | No.54 | 18 | 40 | No.54 | £2.29 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640140 | 1.40 | 18 | 40 | 1.4 | £2.29 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640150 | 1.50 | 18 | 40 | 1.5 | £2.23 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640152 | No.53 | 20 | 43 | No.53 | £2.37 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640159 | 1/16 | 20 | 43 | 1/16″ | £2.33 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640160 | 1.60 | 20 | 43 | 1.6 | £2.20 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640161 | No.52 | 20 | 43 | No.52 | £2.29 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640169 | No.51 | 20 | 43 | No.51 | £2.29 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640170 | 1.70 | 20 | 43 | 1.7 | £2.23 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640178 | No.50 | 22 | 46 | No.50 | £2.29 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640180 | 1.80 | 22 | 46 | 1.8 | £2.23 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640185 | No.49 | 22 | 46 | No.49 | £2.29 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640190 | 1.90 | 22 | 46 | 1.9 | £2.23 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640193 | No.48 | 24 | 49 | No.48 | £2.61 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640198 | 5/64 | 24 | 49 | 5/64″ | £2.57 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640199 | No.47 | 24 | 49 | No.47 | £2.37 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640200 | 2.00 | 24 | 49 | 2 | £2.33 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640206 | No.46 | 24 | 49 | No.46 | £2.48 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640208 | No.45 | 24 | 49 | No.45 | £2.48 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640210 | 2.10 | 24 | 49 | 2.1 | £2.42 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640218 | No.44 | 27 | 53 | No.44 | £2.48 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640220 | 2.20 | 27 | 53 | 2.2 | £2.42 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640226 | No.43 | 27 | 53 | No.43 | £2.48 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640230 | 2.30 | 27 | 53 | 2.3 | £2.42 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640237 | No.42 | 30 | 57 | No.42 | £2.57 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640238 | 3/32 | 30 | 57 | 3/32″ | £2.50 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640240 | 2.40 | 30 | 57 | 2.4 | £2.48 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640244 | No.41 | 30 | 57 | No.41 | £2.57 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640249 | No.40 | 30 | 57 | No.40 | £2.57 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640250 | 2.50 | 30 | 57 | 2.5 | £2.50 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640253 | No.39 | 30 | 57 | No.39 | £2.69 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640258 | No.38 | 30 | 57 | No.38 | £2.69 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640260 | 2.60 | 30 | 57 | 2.6 | £2.65 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640264 | No.37 | 30 | 57 | No.37 | £2.73 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640270 | 2.70 | 33 | 61 | 2.7 | £2.65 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640271 | No.36 | 33 | 61 | No.36 | £2.73 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640278 | 7/64 | 33 | 61 | 7/64″ | £2.65 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640279 | No.35 | 33 | 61 | No.35 | £2.73 per item · pack of 10 | 1-2 days | Sold in packs of 10 |
| 1640280 | 2.80 | 33 | 61 | 2.8 | £2.65 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640282 | No.34 | 33 | 61 | No.34 | £2.73 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640287 | No.33 | 33 | 61 | No.33 | £2.73 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640290 | 2.90 | 33 | 61 | 2.9 | £2.57 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640295 | No.32 | 33 | 61 | No.32 | £2.61 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640300 | 3.00 | 33 | 61 | 3 | £2.57 per item · pack of 10 | In Stock | Sold in packs of 10 |
| 1640305 | No.31 | 36 | 65 | No.31 | £2.80 | In Stock | |
| 1640310 | 3.10 | 36 | 65 | 3.1 | £2.80 | In Stock | |
| 1640318 | 1/8 | 36 | 65 | 1/8″ | £2.80 | In Stock | |
| 1640320 | 3.20 | 36 | 65 | 3.2 | £2.73 | In Stock | |
| 1640326 | No.30 | 36 | 65 | No.30 | £2.80 | In Stock | |
| 1640330 | 3.30 | 36 | 65 | 3.3 | £2.73 | 1-2 days | |
| 1640340 | 3.40 | 39 | 70 | 3.4 | £2.93 | In Stock | |
| 1640345 | No.29 | 39 | 70 | No.29 | £2.93 | In Stock | |
| 1640350 | 3.50 | 39 | 70 | 3.5 | £2.88 | In Stock | |
| 1640357 | 9/64 | 39 | 70 | 9/64″ | £3.29 | In Stock | |
| 1640373 | No.26 | 39 | 70 | No.26 | £3.33 | In Stock | |
| 1640379 | No.25 | 43 | 75 | No.25 | £3.33 | In Stock | |
| 1640380 | 3.80 | 43 | 75 | 3.8 | £3.29 | In Stock | |
| 1640386 | No.24 | 43 | 75 | No.24 | £3.37 | In Stock | |
| 1640390 | 3.90 | 43 | 75 | 3.9 | £3.37 | In Stock | |
| 1640391 | No.23 | 43 | 75 | No.23 | £3.37 | In Stock | |
| 1640397 | 5/32 | 43 | 75 | 5/32″ | £3.37 | In Stock | |
| 1640399 | No.22 | 43 | 75 | No.22 | £3.37 | In Stock | |
| 1640400 | 4.00 | 43 | 75 | 4 | £3.33 | In Stock | |
| 1640404 | No.21 | 43 | 75 | No.21 | £3.69 | In Stock | |
| 1640409 | No.20 | 43 | 75 | No.20 | £3.69 | In Stock | |
| 1640410 | 4.10 | 43 | 75 | 4.1 | £3.69 | In Stock | |
| 1640420 | 4.20 | 43 | 75 | 4.2 | £3.69 | In Stock | |
| 1640422 | No.19 | 43 | 75 | No.19 | £3.79 | In Stock | |
| 1640430 | 4.30 | 47 | 80 | 4.3 | £3.88 | In Stock | |
| 1640431 | No.18 | 47 | 80 | No.18 | £3.88 | In Stock | |
| 1640437 | 11/64 | 47 | 80 | 11/64″ | £3.84 | In Stock | |
| 1640439 | No.17 | 47 | 80 | No.17 | £3.84 | In Stock | |
| 1640440 | 4.40 | 47 | 80 | 4.4 | £3.84 | In Stock | |
| 1640449 | No.16 | 47 | 80 | No.16 | £3.84 | In Stock | |
| 1640450 | 4.50 | 47 | 80 | 4.5 | £3.79 | In Stock | |
| 1640476 | 3/16 | 52 | 86 | 3/16″ | £4.11 | In Stock | |
| 1640479 | No.12 | 52 | 86 | No.12 | £4.11 | In Stock | |
| 1640480 | 4.80 | 52 | 86 | 4.8 | £4.11 | In Stock | |
| 1640485 | No.11 | 52 | 86 | No.11 | £4.11 | In Stock | |
| 1640490 | 4.90 | 52 | 86 | 4.9 | £4.07 | In Stock | |
| 1640492 | No.10 | 52 | 86 | No.10 | £4.11 | In Stock | |
| 1640498 | No.9 | 52 | 86 | No.9 | £4.11 | In Stock | |
| 1640500 | 5.00 | 52 | 86 | 5 | £4.07 | In Stock | |
| 1640506 | No.8 | 52 | 86 | No.8 | £4.71 | In Stock | |
| 1640510 | 5.10 | 52 | 86 | 5.1 | £4.71 | In Stock | |
| 1640511 | No.7 | 52 | 86 | No.7 | £4.71 | In Stock | |
| 1640516 | 13/64 | 52 | 86 | 13/64″ | £4.71 | In Stock | |
| 1640518 | No.6 | 52 | 86 | No.6 | £4.71 | In Stock | |
| 1640520 | 5.20 | 52 | 86 | 5.2 | £4.66 | In Stock | |
| 1640522 | No.5 | 52 | 86 | No.5 | £4.90 | In Stock | |
| 1640530 | 5.30 | 52 | 86 | 5.3 | £4.66 | In Stock | |
| 1640532 | No.4 | 57 | 93 | No.4 | £4.92 | In Stock | |
| 1640540 | 5.40 | 57 | 93 | 5.4 | £4.83 | In Stock | |
| 1640541 | No.3 | 57 | 93 | No.3 | £4.83 | In Stock | |
| 1640550 | 5.50 | 57 | 93 | 5.5 | £4.83 | In Stock | |
| 1640556 | 7/32 | 57 | 93 | 7/32″ | £5.70 | 1-2 days | |
| 1640560 | 5.60 | 57 | 93 | 5.6 | £5.70 | In Stock | |
| 1640561 | No.2 | 57 | 93 | No.2 | £5.70 | In Stock | |
| 1640570 | 5.70 | 57 | 93 | 5.7 | £5.62 | In Stock | |
| 1640579 | No.1 | 57 | 93 | No.1 | £5.62 | In Stock | |
| 1640580 | 5.80 | 57 | 93 | 5.8 | £5.62 | In Stock | |
| 1640590 | 5.90 | 57 | 93 | 5.9 | £5.51 | In Stock | |
| 1640594 | LTR.A | 57 | 93 | LTR.A | £5.51 | In Stock | |
| 1640595 | 15/64 | 57 | 93 | 15/64″ | £5.51 | In Stock | |
| 1640600 | 6.00 | 57 | 93 | 6 | £5.47 | In Stock | |
| 1640605 | LTR.B | 63 | 101 | LTR.B | £6.42 | In Stock | |
| 1640610 | 6.10 | 63 | 101 | 6.1 | £6.42 | In Stock | |
| 1640615 | LTR.C | 63 | 101 | LTR.C | £6.42 | In Stock | |
| 1640620 | 6.20 | 63 | 101 | 6.2 | £6.34 | In Stock | |
| 1640625 | LTR.D | 63 | 101 | LTR.D | £6.34 | In Stock | |
| 1640630 | 6.30 | 63 | 101 | 6.3 | £6.34 | In Stock | |
| 1640634 | LTR.E | 63 | 101 | LTR.E | £6.30 | In Stock | |
| 1640635 | 1/4 | 63 | 101 | 1/4″ | £6.30 | In Stock | |
| 1640640 | 6.40 | 63 | 101 | 6.4 | £6.30 | In Stock | |
| 1640650 | 6.50 | 63 | 101 | 6.5 | £6.21 | In Stock | |
| 1640653 | LTR.F | 63 | 101 | LTR.F | £7.27 | In Stock | |
| 1640660 | 6.60 | 63 | 101 | 6.6 | £7.17 | In Stock | |
| 1640663 | LTR.G | 63 | 101 | LTR.G | £7.17 | In Stock | |
| 1640670 | 6.70 | 63 | 101 | 6.7 | £7.08 | In Stock | |
| 1640676 | LTR.H | 69 | 109 | LTR.H | £7.40 | In Stock | |
| 1640677 | 17/64 | 69 | 109 | 17/64″ | £7.40 | In Stock | |
| 1640680 | 6.80 | 69 | 109 | 6.8 | £7.29 | In Stock | |
| 1640690 | 6.90 | 69 | 109 | 6.9 | £7.40 | In Stock | |
| 1640691 | LTR.I | 69 | 109 | LTR.I | £7.40 | In Stock | |
| 1640700 | 7.00 | 69 | 109 | 7 | £7.29 | In Stock | |
| 1640704 | LTR.J | 69 | 109 | LTR.J | £8.27 | In Stock | |
| 1640710 | 7.10 | 69 | 109 | 7.1 | £8.27 | In Stock | |
| 1640713 | LTR.K | 69 | 109 | LTR.K | £8.27 | In Stock | |
| 1640714 | 9/32 | 69 | 109 | 9/32″ | £8.27 | In Stock | |
| 1640720 | 7.20 | 69 | 109 | 7.2 | £8.23 | In Stock | |
| 1640730 | 7.30 | 69 | 109 | 7.3 | £8.23 | In Stock | |
| 1640737 | LTR.L | 69 | 109 | LTR.L | £8.12 | In Stock | |
| 1640740 | 7.40 | 69 | 109 | 7.4 | £8.12 | In Stock | |
| 1640749 | LTR.M | 69 | 109 | LTR.M | £8.12 | In Stock | |
| 1640750 | 7.50 | 69 | 109 | 7.5 | £8.03 | In Stock | |
| 1640754 | 19/64 | 75 | 117 | 19/64″ | £9.46 | In Stock | |
| 1640760 | 7.60 | 75 | 117 | 7.6 | £9.46 | In Stock | |
| 1640767 | LTR.N | 75 | 117 | LTR.N | £9.46 | In Stock | |
| 1640770 Viewing | 7.70 | 75 | 117 | 7.7 | £9.39 | In Stock | |
| 1640780 | 7.80 | 75 | 117 | 7.8 | £9.39 | In Stock | |
| 1640790 | 7.90 | 75 | 117 | 7.9 | £9.31 | In Stock | |
| 1640794 | 5/16 | 75 | 117 | 5/16″ | £9.31 | In Stock | |
| 1640800 | 8.00 | 75 | 117 | 8 | £9.22 | In Stock | |
| 1640843 | LTR.Q | 75 | 117 | LTR.Q | £10.20 | In Stock | |
| 1640850 | 8.50 | 75 | 117 | 8.5 | £10.09 | In Stock | |
| 1640873 | 11/32 | 81 | 125 | 11/32″ | £11.91 | In Stock | |
| 1640884 | LTR.S | 81 | 125 | LTR.S | £11.83 | In Stock | |
| 1640900 | 9.00 | 81 | 125 | 9 | £11.70 | In Stock | |
| 1640913 | 23/64 | 81 | 125 | 23/64″ | £12.97 | In Stock | |
| 1640935 | LTR.U | 81 | 125 | LTR.U | £12.83 | In Stock | |
| 1640950 | 9.50 | 81 | 125 | 9.5 | £12.74 | In Stock | |
| 1640953 | 3/8 | 87 | 133 | 3/8″ | £14.69 | In Stock | |
| 1641000 | 10.00 | 87 | 133 | 10 | £14.61 | In Stock | |
| 1641050 | 10.50 | 87 | 133 | 10.5 | £16.07 | In Stock | |
| 1641072 | 27/64 | 94 | 142 | 27/64″ | £18.13 | In Stock | |
| 1641100 | 11.00 | 94 | 142 | 11 | £17.85 | In Stock | |
| 1641150 | 11.50 | 94 | 142 | 11.5 | £18.95 | In Stock | |
| 1641200 | 12.00 | 101 | 151 | 12 | £21.05 | In Stock | |
| 1641250 | 12.50 | 101 | 151 | 12.5 | £23.64 | In Stock | |
| 1641269 | 1/2 | 101 | 151 | 1/2″ | £24.74 | In Stock | |
| 1641300 | 13.00 | 101 | 151 | 13 | £24.34 | In Stock |
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