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OSG Carbide Spotting & Chamfering Drill - Micro Grain - Uncoated - 90° - 12mm
| Drill Diameter | 12.00 |
| Flute Length | 25 |
| Overall Length | 70 |
| Shank Diameter | 12 |
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Description
The OSG Carbide Spotting and Chamfering Drill offers machinists and fabricators a dependable way to create accurate starting points and clean 90° chamfers before drilling or threading operations. Made from micro-grain carbide in an uncoated 12 mm diameter, this solid tool maintains edge integrity across repeated uses on steel, aluminum, and other common workshop materials.
- Extended tool life: Micro-grain carbide resists wear during high-speed spotting and chamfering, so the cutting edge stays sharp longer and fewer replacements are needed.
- Precise 90° chamfers: The fixed angle produces consistent entry points and beveled edges that help guide subsequent drills or taps accurately.
- Reduced setup errors: A rigid carbide body minimizes deflection, delivering repeatable results even when working on tougher or harder-to-machine parts.
By delivering clean, accurate chamfers in a single pass, this drill shortens preparation time and lowers the chance of drill wander or thread misalignment, helping workshops maintain tighter tolerances and smoother workflow from the first operation to the last.
Part Numbers
- Protool Part Number
- OSG-20901200
- 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.


