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OSG Slow Spiral Carbide Drill - Solid - Uncoated - 7.8mm
| Drill Diameter | 7.80 |
| Flute Length | 41 |
| Overall Length | 71 |
| Shank Diameter | 7.8 |
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Description
The OSG Slow Spiral Carbide Drill is a solid carbide cutting tool with a 7.8 mm diameter, designed for precision and versatility across metals, plastics, and composites. Its slow spiral design enables controlled chip evacuation and helps minimize the risk of workpiece damage, delivering clean, accurate holes with repeatable results.
- Slow Spiral Design for Efficient Chip Evacuation: The deliberate, slow flute twist promotes controlled chip removal, reducing heat buildup and helping preserve hole size and finish across a variety of materials.
- Solid Carbide Construction for Precision and Durability: Built from stiff, wear‑resistant carbide to sustain sharpness and deliver consistent performance in demanding drilling tasks over time.
- Uncoated Versatility for Broad Material Compatibility: The uncoated surface allows use across a wide range of materials and applications, providing reliable results without coating-related constraints.
Designed to deliver clean, accurate, and repeatable holes across metals, plastics, and composites, the OSG Slow Spiral Carbide Drill helps streamline drilling work and reduce rework. The 7.8 mm diameter fits common hole specifications, while the slow spiral minimizes chip buildup and heat, supporting smooth finishes and consistent hole quality. The uncoated body ensures broad material compatibility and predictable performance, making it a dependable choice for professional shops, maintenance teams, and hobbyists seeking reliable drilling results.
Part Numbers
- Protool Part Number
- OSG-215-3071
- Brand
- OSG
- Category
- Drill
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: OSG Slow Spiral Carbide Drill - Solid - Uncoated
View full collection →You are viewing OSG-215-3071. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Coated | Coolant | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| OSG-215-0984 | 2.50 | 21 | 46 | 2.5 | Uncoated | NO | £11.96 | 1-2 days | |
| OSG-215-4252 | 10.80 | 52 | 87 | 10.8 | Uncoated | NO | £98.98 | 1-2 days | |
| OSG-215-1299 | 3.30 | 24 | 52 | 3.3 | Uncoated | NO | £15.83 | 1-2 days | |
| OSG-215-1181 | 3.00 | 22 | 48 | 3 | Uncoated | NO | £13.43 | 1-2 days | |
| OSG-215-0945 | 2.40 | 21 | 46 | 2.4 | Uncoated | NO | £11.96 | 1-2 days | |
| OSG-215-0906 | 2.30 | 19 | 45 | 2.3 | Uncoated | NO | £11.96 | 1-2 days | |
| OSG-215-0591 | 1.50 | 13 | 38 | 1.5 | Uncoated | NO | £9.98 | 1-2 days | |
| OSG-215-4724 | 12.00 | 54 | 92 | 12 | Uncoated | NO | £111.28 | 1-2 days | |
| OSG-215-4685 | 11.90 | 54 | 92 | 11.9 | Uncoated | NO | £111.28 | 1-2 days | |
| OSG-215-4646 | 11.80 | 54 | 92 | 11.8 | Uncoated | NO | £111.28 | 1-2 days | |
| OSG-215-4606 | 11.70 | 54 | 92 | 11.7 | Uncoated | NO | £111.28 | 1-2 days | |
| OSG-215-4567 | 11.60 | 54 | 92 | 11.6 | Uncoated | NO | £111.28 | 1-2 days | |
| OSG-215-4528 | 11.50 | 54 | 90 | 11.5 | Uncoated | NO | £107.56 | 1-2 days | |
| OSG-215-4488 | 11.40 | 54 | 90 | 11.4 | Uncoated | NO | £107.56 | 1-2 days | |
| OSG-215-4449 | 11.30 | 54 | 90 | 11.3 | Uncoated | NO | £107.56 | 1-2 days | |
| OSG-215-4409 | 11.20 | 54 | 90 | 11.2 | Uncoated | NO | £107.56 | 1-2 days | |
| OSG-215-4370 | 11.10 | 52 | 87 | 11.1 | Uncoated | NO | £107.56 | 1-2 days | |
| OSG-215-4331 | 11.00 | 52 | 87 | 11 | Uncoated | NO | £98.98 | 1-2 days | |
| OSG-215-4291 | 10.90 | 52 | 87 | 10.9 | Uncoated | NO | £98.98 | 1-2 days | |
| OSG-215-4213 | 10.70 | 51 | 86 | 10.7 | Uncoated | NO | £98.98 | 1-2 days | |
| OSG-215-4173 | 10.60 | 51 | 86 | 10.6 | Uncoated | NO | £98.98 | 1-2 days | |
| OSG-215-4134 | 10.50 | 51 | 86 | 10.5 | Uncoated | NO | £85.78 | 1-2 days | |
| OSG-215-4094 | 10.40 | 51 | 86 | 10.4 | Uncoated | NO | £85.78 | 1-2 days | |
| OSG-215-4055 | 10.30 | 49 | 84 | 10.3 | Uncoated | NO | £85.78 | 1-2 days | |
| OSG-215-4016 | 10.20 | 49 | 84 | 10.2 | Uncoated | NO | £85.78 | 1-2 days | |
| OSG-215-3976 | 10.10 | 49 | 84 | 10.1 | Uncoated | NO | £85.78 | 1-2 days | |
| OSG-215-3937 | 10.00 | 48 | 83 | 10 | Uncoated | NO | £79.81 | 1-2 days | |
| OSG-215-3898 | 9.90 | 48 | 83 | 9.9 | Uncoated | NO | £79.81 | 1-2 days | |
| OSG-215-3858 | 9.80 | 48 | 83 | 9.8 | Uncoated | NO | £79.81 | 1-2 days | |
| OSG-215-3819 | 9.70 | 48 | 83 | 9.7 | Uncoated | NO | £79.81 | 1-2 days | |
| OSG-215-3780 | 9.60 | 48 | 83 | 9.6 | Uncoated | NO | £79.81 | 1-2 days | |
| OSG-215-3740 | 9.50 | 46 | 79 | 9.5 | Uncoated | NO | £67.35 | 1-2 days | |
| OSG-215-3701 | 9.40 | 46 | 79 | 9.4 | Uncoated | NO | £67.35 | 1-2 days | |
| OSG-215-3661 | 9.30 | 46 | 79 | 9.3 | Uncoated | NO | £67.35 | 1-2 days | |
| OSG-215-3622 | 9.20 | 46 | 79 | 9.2 | Uncoated | NO | £67.35 | 1-2 days | |
| OSG-215-3583 | 9.10 | 44 | 78 | 9.1 | Uncoated | NO | £67.35 | 1-2 days | |
| OSG-215-3543 | 9.00 | 44 | 78 | 9 | Uncoated | NO | £60.66 | 1-2 days | |
| OSG-215-3504 | 8.90 | 44 | 78 | 8.9 | Uncoated | NO | £60.66 | 1-2 days | |
| OSG-215-3465 | 8.80 | 44 | 78 | 8.8 | Uncoated | NO | £60.66 | 1-2 days | |
| OSG-215-3425 | 8.70 | 43 | 76 | 8.7 | Uncoated | NO | £60.66 | 1-2 days | |
| OSG-215-3386 | 8.60 | 43 | 76 | 8.6 | Uncoated | NO | £60.66 | 1-2 days | |
| OSG-215-3346 | 8.50 | 43 | 76 | 8.5 | Uncoated | NO | £52.46 | 1-2 days | |
| OSG-215-3307 | 8.40 | 43 | 75 | 8.4 | Uncoated | NO | £52.46 | 1-2 days | |
| OSG-215-3268 | 8.30 | 43 | 75 | 8.3 | Uncoated | NO | £52.46 | 1-2 days | |
| OSG-215-3228 | 8.20 | 43 | 75 | 8.2 | Uncoated | NO | £52.46 | 1-2 days | |
| OSG-215-3189 | 8.10 | 43 | 75 | 8.1 | Uncoated | NO | £52.46 | 1-2 days | |
| OSG-215-3150 | 8.00 | 41 | 71 | 8 | Uncoated | NO | £47.86 | 1-2 days | |
| OSG-215-3110 | 7.90 | 41 | 71 | 7.9 | Uncoated | NO | £47.86 | 1-2 days | |
| OSG-215-3071 Viewing | 7.80 | 41 | 71 | 7.8 | Uncoated | NO | £47.86 | 1-2 days | |
| OSG-215-3031 | 7.70 | 41 | 71 | 7.7 | Uncoated | NO | £47.86 | 1-2 days | |
| OSG-215-2992 | 7.60 | 41 | 71 | 7.6 | Uncoated | NO | £47.86 | 1-2 days | |
| OSG-215-2953 | 7.50 | 40 | 70 | 7.5 | Uncoated | NO | £42.27 | 1-2 days | |
| OSG-215-2913 | 7.40 | 40 | 70 | 7.4 | Uncoated | NO | £42.27 | 1-2 days | |
| OSG-215-2874 | 7.30 | 40 | 70 | 7.3 | Uncoated | NO | £42.27 | 1-2 days | |
| OSG-215-2835 | 7.20 | 40 | 70 | 7.2 | Uncoated | NO | £42.27 | 1-2 days | |
| OSG-215-2795 | 7.10 | 38 | 69 | 7.1 | Uncoated | NO | £42.27 | 1-2 days | |
| OSG-215-2756 | 7.00 | 38 | 68 | 7 | Uncoated | NO | £38.54 | 1-2 days | |
| OSG-215-2717 | 6.90 | 38 | 68 | 6.9 | Uncoated | NO | £38.54 | 1-2 days | |
| OSG-215-2677 | 6.80 | 38 | 68 | 6.8 | Uncoated | NO | £38.54 | 1-2 days | |
| OSG-215-2638 | 6.70 | 37 | 67 | 6.7 | Uncoated | NO | £38.54 | 1-2 days | |
| OSG-215-2598 | 6.60 | 37 | 67 | 6.6 | Uncoated | NO | £38.54 | 1-2 days | |
| OSG-215-2559 | 6.50 | 35 | 63 | 6.5 | Uncoated | NO | £32.94 | 1-2 days | |
| OSG-215-2520 | 6.40 | 35 | 63 | 6.4 | Uncoated | NO | £32.94 | 1-2 days | |
| OSG-215-2480 | 6.30 | 35 | 63 | 6.3 | Uncoated | NO | £32.94 | 1-2 days | |
| OSG-215-2441 | 6.20 | 35 | 63 | 6.2 | Uncoated | NO | £32.94 | 1-2 days | |
| OSG-215-2402 | 6.10 | 35 | 63 | 6.1 | Uncoated | NO | £32.94 | 1-2 days | |
| OSG-215-2362 | 6.00 | 33 | 61 | 6 | Uncoated | NO | £29.48 | 1-2 days | |
| OSG-215-2323 | 5.90 | 33 | 61 | 5.9 | Uncoated | NO | £29.48 | 1-2 days | |
| OSG-215-2283 | 5.80 | 33 | 61 | 5.8 | Uncoated | NO | £29.48 | 1-2 days | |
| OSG-215-2244 | 5.70 | 33 | 61 | 5.7 | Uncoated | NO | £29.48 | 1-2 days | |
| OSG-215-2205 | 5.60 | 32 | 60 | 5.6 | Uncoated | NO | £29.48 | 1-2 days | |
| OSG-215-2165 | 5.50 | 32 | 60 | 5.5 | Uncoated | NO | £26.11 | 1-2 days | |
| OSG-215-2126 | 5.40 | 32 | 60 | 5.4 | Uncoated | NO | £26.11 | 1-2 days | |
| OSG-215-2087 | 5.30 | 32 | 60 | 5.3 | Uncoated | NO | £26.11 | 1-2 days | |
| OSG-215-2047 | 5.20 | 32 | 60 | 5.2 | Uncoated | NO | £26.11 | 1-2 days | |
| OSG-215-2008 | 5.10 | 30 | 57 | 5.1 | Uncoated | NO | £26.11 | 1-2 days | |
| OSG-215-1968 | 5.00 | 30 | 57 | 5 | Uncoated | NO | £23.02 | 1-2 days | |
| OSG-215-1929 | 4.90 | 30 | 57 | 4.9 | Uncoated | NO | £23.02 | 1-2 days | |
| OSG-215-1890 | 4.80 | 30 | 57 | 4.8 | Uncoated | NO | £23.02 | 1-2 days | |
| OSG-215-1850 | 4.70 | 29 | 55 | 4.7 | Uncoated | NO | £23.02 | 1-2 days | |
| OSG-215-1811 | 4.60 | 29 | 55 | 4.6 | Uncoated | NO | £23.02 | 1-2 days | |
| OSG-215-1772 | 4.50 | 29 | 55 | 4.5 | Uncoated | NO | £21.14 | 1-2 days | |
| OSG-215-1732 | 4.40 | 29 | 55 | 4.4 | Uncoated | NO | £21.14 | 1-2 days | |
| OSG-215-1693 | 4.30 | 25 | 52 | 4.3 | Uncoated | NO | £21.14 | 1-2 days | |
| OSG-215-1654 | 4.20 | 25 | 52 | 4.2 | Uncoated | NO | £21.14 | 1-2 days | |
| OSG-215-1614 | 4.10 | 25 | 52 | 4.1 | Uncoated | NO | £21.14 | 1-2 days | |
| OSG-215-1575 | 4.00 | 25 | 52 | 4 | Uncoated | NO | £17.88 | 1-2 days | |
| OSG-215-1535 | 3.90 | 25 | 52 | 3.9 | Uncoated | NO | £17.88 | 1-2 days | |
| OSG-215-1496 | 3.80 | 25 | 52 | 3.8 | Uncoated | NO | £17.88 | 1-2 days | |
| OSG-215-1457 | 3.70 | 25 | 52 | 3.7 | Uncoated | NO | £17.88 | 1-2 days | |
| OSG-215-1417 | 3.60 | 24 | 52 | 3.6 | Uncoated | NO | £17.88 | 1-2 days | |
| OSG-215-1378 | 3.50 | 24 | 52 | 3.5 | Uncoated | NO | £15.83 | 1-2 days | |
| OSG-215-1339 | 3.40 | 24 | 52 | 3.4 | Uncoated | NO | £15.83 | 1-2 days | |
| OSG-215-1260 | 3.20 | 24 | 52 | 3.2 | Uncoated | NO | £15.83 | 1-2 days | |
| OSG-215-1220 | 3.10 | 22 | 48 | 3.1 | Uncoated | NO | £15.83 | 1-2 days | |
| OSG-215-1142 | 2.90 | 22 | 48 | 2.9 | Uncoated | NO | £13.43 | 1-2 days | |
| OSG-215-1102 | 2.80 | 22 | 48 | 2.8 | Uncoated | NO | £13.43 | 1-2 days | |
| OSG-215-1063 | 2.70 | 21 | 46 | 2.7 | Uncoated | NO | £13.43 | 1-2 days | |
| OSG-215-1024 | 2.60 | 21 | 46 | 2.6 | Uncoated | NO | £13.43 | 1-2 days | |
| OSG-215-0866 | 2.20 | 19 | 45 | 2.2 | Uncoated | NO | £11.96 | 1-2 days | |
| OSG-215-0827 | 2.10 | 19 | 45 | 2.1 | Uncoated | NO | £11.96 | 1-2 days | |
| OSG-215-0787 | 2.00 | 19 | 45 | 2 | Uncoated | NO | £10.58 | 1-2 days | |
| OSG-215-0748 | 1.90 | 18 | 43 | 1.9 | Uncoated | NO | £10.58 | 1-2 days | |
| OSG-215-0709 | 1.80 | 18 | 43 | 1.8 | Uncoated | NO | £10.58 | 1-2 days | |
| OSG-215-0669 | 1.70 | 18 | 43 | 1.7 | Uncoated | NO | £10.58 | 1-2 days | |
| OSG-215-0630 | 1.60 | 18 | 43 | 1.6 | Uncoated | NO | £10.58 | 1-2 days | |
| OSG-215-0551 | 1.40 | 13 | 38 | 1.4 | Uncoated | NO | £11.07 | 1-2 days | |
| OSG-215-0512 | 1.30 | 13 | 38 | 1.3 | Uncoated | NO | £11.07 | 1-2 days | |
| OSG-215-0472 | 1.20 | 13 | 38 | 1.2 | Uncoated | NO | £11.07 | 1-2 days | |
| OSG-215-0433 | 1.10 | 13 | 38 | 1.1 | Uncoated | NO | £11.07 | 1-2 days | |
| OSG-215-0394 | 1.00 | 13 | 38 | 1 | Uncoated | NO | £11.07 | 1-2 days |
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