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OSG Micro Carbide Drill - Micro Spiral - Long Reach - SC Coated - 2.50mm
| Drill Diameter | 2.50 |
| Flute Length | 30 |
| Overall Length | 66 |
| Shank Diameter | 3 |
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Description
The OSG Micro Carbide Drill is a precision micro-drilling tool designed for tight spots and deep cavities. With a 2.50 mm diameter, it’s ideal for electronics, aerospace, and medical components that require tiny, exact holes.
Its long-reach design provides access to challenging workpieces, while the micro spiral flute offers efficient chip evacuation for smooth, controlled cutting. The SC coating boosts wear resistance, reduces friction, and extends tool life even in demanding machining conditions.
- Long-Reach Access: Lets you reach deep pockets and through-holes without repositioning the workpiece, reducing setup time and expanding where you can drill.
- Efficient Chip Evacuation: The micro spiral flute enables fast chip removal for cleaner holes, smoother operation, and less heat buildup in confined spaces.
- SC Coating Durability: Enhanced wear resistance and lower friction extend tool life, helping maintain consistent performance under demanding conditions.
This combination of reach, reliability, and coating supports consistent hole quality and efficient workflows. It helps minimize tool changes, maintain production uptime, and deliver precise results in electronics, aerospace, and medical manufacturing where every hole counts.
Part Numbers
- Protool Part Number
- OSG-8577250
- Brand
- OSG
- 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: OSG Micro Carbide Drills - Micro Spiral - Long Reach - SC Coated
View full collection →You are viewing OSG-8577250. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| OSG-8577050 | 0.50 | 6 | 42 | 3 | £120.85 | 1-2 days | |
| OSG-8577054 | 0.54 | 6.6 | 42 | 3 | £120.85 | 1-2 days | |
| OSG-8577055 | 0.55 | 6.6 | 42 | 3 | £95.97 | 1-2 days | |
| OSG-8577056 | 0.56 | 7.2 | 42 | 3 | £120.85 | 1-2 days | |
| OSG-8577060 | 0.60 | 7.2 | 42 | 3 | £83.56 | 1-2 days | |
| OSG-8577063 | 0.63 | 7.8 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577064 | 0.64 | 7.8 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577065 | 0.65 | 7.8 | 46 | 3 | £95.97 | 1-2 days | |
| OSG-8577070 | 0.70 | 8.4 | 46 | 3 | £83.56 | 1-2 days | |
| OSG-8577071 | 0.71 | 9 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577072 | 0.72 | 9 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577073 | 0.73 | 9 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577074 | 0.74 | 9 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577075 | 0.75 | 9 | 46 | 3 | £95.97 | 1-2 days | |
| OSG-8577080 | 0.80 | 9.6 | 46 | 3 | £83.56 | 1-2 days | |
| OSG-8577081 | 0.81 | 10.2 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577082 | 0.82 | 10.2 | 46 | 3 | £109.92 | 1-2 days | |
| OSG-8577090 | 0.90 | 10.8 | 46 | 3 | £83.56 | 1-2 days | |
| OSG-8577091 | 0.91 | 11.4 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577092 | 0.92 | 11.4 | 46 | 3 | £120.85 | 1-2 days | |
| OSG-8577100 | 1.00 | 12 | 46 | 3 | £77.37 | 1-2 days | |
| OSG-8577110 | 1.10 | 13.2 | 50 | 3 | £77.37 | 1-2 days | |
| OSG-8577111 | 1.11 | 13.8 | 50 | 3 | £95.97 | 1-2 days | |
| OSG-8577112 | 1.12 | 13.8 | 50 | 3 | £95.97 | 1-2 days | |
| OSG-8577115 | 1.15 | 13.8 | 50 | 3 | £77.37 | 1-2 days | |
| OSG-8577120 | 1.20 | 14.4 | 50 | 3 | £77.37 | 1-2 days | |
| OSG-8577127 | 1.27 | 15.6 | 50 | 3 | £95.97 | 1-2 days | |
| OSG-8577128 | 1.28 | 15.6 | 50 | 3 | £95.97 | 1-2 days | |
| OSG-8577129 | 1.29 | 15.6 | 50 | 3 | £95.97 | 1-2 days | |
| OSG-8577130 | 1.30 | 15.6 | 50 | 3 | £77.37 | 1-2 days | |
| OSG-8577140 | 1.40 | 16.8 | 54 | 3 | £77.37 | 1-2 days | |
| OSG-8577145 | 1.45 | 17.4 | 54 | 3 | £77.37 | 1-2 days | |
| OSG-8577146 | 1.46 | 18 | 54 | 3 | £95.97 | 1-2 days | |
| OSG-8577147 | 1.47 | 18 | 54 | 3 | £95.97 | 1-2 days | |
| OSG-8577150 | 1.50 | 18 | 54 | 3 | £77.37 | 1-2 days | |
| OSG-8577151 | 1.51 | 18.6 | 54 | 3 | £95.97 | 1-2 days | |
| OSG-8577152 | 1.52 | 18.6 | 54 | 3 | £95.97 | 1-2 days | |
| OSG-8577153 | 1.53 | 18.6 | 54 | 3 | £95.97 | 1-2 days | |
| OSG-8577155 | 1.55 | 18.6 | 54 | 3 | £95.97 | 1-2 days | |
| OSG-8577156 | 1.56 | 19.2 | 54 | 3 | £95.97 | 1-2 days | |
| OSG-8577157 | 1.57 | 19.2 | 54 | 3 | £95.97 | 1-2 days | |
| OSG-8577160 | 1.60 | 19.2 | 54 | 3 | £77.37 | 1-2 days | |
| OSG-8577170 | 1.70 | 20.4 | 58 | 3 | £83.56 | 1-2 days | |
| OSG-8577180 | 1.80 | 21.6 | 58 | 3 | £83.56 | 1-2 days | |
| OSG-8577181 | 1.81 | 22.2 | 58 | 3 | £102.16 | 1-2 days | |
| OSG-8577182 | 1.82 | 22.2 | 58 | 3 | £102.16 | 1-2 days | |
| OSG-8577183 | 1.83 | 22.2 | 58 | 3 | £102.16 | 1-2 days | |
| OSG-8577190 | 1.90 | 22.8 | 58 | 3 | £83.56 | 1-2 days | |
| OSG-8577198 | 1.98 | 24 | 58 | 3 | £102.19 | 1-2 days | |
| OSG-8577199 | 1.99 | 24 | 58 | 3 | £102.19 | 1-2 days | |
| OSG-8577200 | 2.00 | 24 | 58 | 3 | £83.56 | 1-2 days | |
| OSG-8577210 | 2.10 | 25.2 | 62 | 3 | £89.79 | 1-2 days | |
| OSG-8577212 | 2.12 | 25.8 | 62 | 3 | £108.40 | 1-2 days | |
| OSG-8577213 | 2.13 | 25.8 | 62 | 3 | £108.40 | 1-2 days | |
| OSG-8577214 | 2.14 | 25.8 | 62 | 3 | £108.40 | 1-2 days | |
| OSG-8577220 | 2.20 | 26.4 | 62 | 3 | £89.79 | 1-2 days | |
| OSG-8577229 | 2.29 | 27.6 | 62 | 3 | £108.40 | 1-2 days | |
| OSG-8577230 | 2.30 | 27.6 | 62 | 3 | £89.79 | 1-2 days | |
| OSG-8577231 | 2.31 | 28.2 | 62 | 3 | £108.40 | 1-2 days | |
| OSG-8577239 | 2.39 | 28.8 | 62 | 3 | £108.40 | 1-2 days | |
| OSG-8577240 | 2.40 | 28.8 | 62 | 3 | £89.79 | 1-2 days | |
| OSG-8577241 | 2.41 | 29.4 | 66 | 3 | £108.40 | 1-2 days | |
| OSG-8577242 | 2.42 | 29.4 | 66 | 3 | £108.40 | 1-2 days | |
| OSG-8577250 Viewing | 2.50 | 30 | 66 | 3 | £89.79 | 1-2 days | |
| OSG-8577255 | 2.55 | 30.6 | 66 | 3 | £108.40 | 1-2 days | |
| OSG-8577256 | 2.56 | 31.2 | 66 | 3 | £108.40 | 1-2 days | |
| OSG-8577257 | 2.57 | 31.2 | 66 | 3 | £108.40 | 1-2 days | |
| OSG-8577260 | 2.60 | 31.2 | 66 | 3 | £89.79 | 1-2 days | |
| OSG-8577270 | 2.70 | 32.4 | 66 | 3 | £89.79 | 1-2 days | |
| OSG-8577277 | 2.77 | 33.6 | 66 | 3 | £108.40 | 1-2 days | |
| OSG-8577278 | 2.78 | 33.6 | 66 | 3 | £108.40 | 1-2 days | |
| OSG-8577279 | 2.79 | 33.6 | 66 | 3 | £108.40 | 1-2 days | |
| OSG-8577280 | 2.80 | 33.6 | 66 | 3 | £89.79 | 1-2 days | |
| OSG-8577290 | 2.90 | 34.8 | 66 | 3 | £89.79 | 1-2 days | |
| OSG-8577300 | 3.00 | 36 | 66 | 3 | £89.79 | 1-2 days |
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