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OSG Micro Carbide Drill - Micro Spiral - Long Reach - SC Coated - 2.77mm
| Drill Diameter | 2.77 |
| Flute Length | 33.6 |
| Overall Length | 66 |
| Shank Diameter | 3 |
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Description
The OSG Micro Carbide Drill – Micro Spiral – Long Reach – SC Coated is a precision micro-drilling tool designed for tiny holes in tight spaces. With a 2.77 mm diameter, it delivers clean, accurate results essential for delicate materials used in electronics, aerospace, and medical devices.
Its long-reach geometry lets you access deep features and obstructed workpieces, while the micro spiral flute provides efficient chip evacuation for smooth, consistent cutting. The SC coating enhances wear resistance and reduces friction, helping the tool stay sharp longer in demanding machining conditions.
- Long Reach Design: Access deep, hard-to-reach features with a single drill, reducing tool changes and improving positional accuracy.
- Micro Spiral Flute for Chip Evacuation: Clear chips quickly to minimize heat and clogging, delivering smoother cuts and steadier hole quality.
- SC Coating for Wear Resistance: Lower friction and extended tool life mean dependable performance in challenging materials and high-precision work.
This drill supports precise, repeatable micro-holes across high-stakes industries. It helps streamline workflows, cut downtime, and deliver reliable results from prototype work through production runs, making it a trusted choice for engineers, machinists, and quality-focused technicians alike.
Part Numbers
- Protool Part Number
- OSG-8577277
- 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-8577277. 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 | 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 Viewing | 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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