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Omega Products HSK63A End Mill Holder - G6.3 - 20,000RPM - 12mm - Gauge Length 160mm
| Taper | HSK63A |
| Bore Size | 12 |
| Gauge Length | 160 |
| Balance | G6.3@20000RPM |
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Description
The Omega Products HSK63A End Mill Holder is a precision toolholding solution built for high-speed CNC milling. It uses an HSK63A taper for a secure, repeatable spindle interface and a G6.3-balanced design to minimize vibration at speed, helping you maintain tight tolerances and extend tool life.
Ideal for engineers, machinists, shops, and hobbyists who push cutting speeds, this holder is engineered to perform up to 20,000 RPM while supporting standard 12 mm end mills. Its gauge length of 160 mm provides reach and stability for a wide range of milling tasks without sacrificing rigidity.
- G6.3 balanced for high-speed stability: Minimizes vibration at up to 20,000 RPM to improve surface finish, reduce tool wear, and deliver consistent results.
- Secure HSK63A interface for low runout: Precise seating and repeatable alignment between spindle and holder, enabling reliable tool performance and longer spindle life.
- 12 mm shank compatibility with 160 mm gauge length: Versatile for common end mills while offering favorable reach and rigidity for deeper cuts and accurate engagement.
This holder helps you streamline setups, reduce downtime, and achieve repeatable, high-quality milling results across a variety of materials and applications. With its robust construction and balanced design, you can rely on stable performance, longer tool life, and confident results in demanding machining workflows.
Part Numbers
- Protool Part Number
- OM30378
- Brand
- Omega
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: Omega Products HSK63A End Mill Holders - G6.3 - 20,000RPM
View full collection →You are viewing OM30378. Click any other SKU to view its full details.
| Product SKU | Taper | Bore Size | Gauge Length | Balance | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| OM30751 | HSK63A | 6 | 65 | G6.3@20000RPM | £73.50 | In Stock | |
| OM30753 | HSK63A | 6 | 100 | G6.3@20000RPM | £90.21 | In Stock | |
| OM30755 | HSK63A | 6 | 160 | G6.3@20000RPM | £110.21 | In Stock | |
| OM30752 | HSK63A | 8 | 65 | G6.3@20000RPM | £73.50 | In Stock | |
| OM30754 | HSK63A | 8 | 100 | G6.3@20000RPM | £90.21 | In Stock | |
| OM30756 | HSK63A | 8 | 160 | G6.3@20000RPM | £110.21 | Next Day | |
| OM31506 | HSK63A | 10 | 65 | G6.3@20000RPM | £73.50 | In Stock | |
| OM31991 | HSK63A | 10 | 100 | G6.3@20000RPM | £91.32 | In Stock | |
| OM30377 | HSK63A | 10 | 160 | G6.3@20000RPM | £112.31 | In Stock | |
| OM31507 | HSK63A | 12 | 80 | G6.3@20000RPM | £73.50 | In Stock | |
| OM31992 | HSK63A | 12 | 100 | G6.3@20000RPM | £91.32 | In Stock | |
| OM30378 Viewing | HSK63A | 12 | 160 | G6.3@20000RPM | £112.31 | In Stock | |
| OM31508 | HSK63A | 16 | 80 | G6.3@20000RPM | £73.50 | In Stock | |
| OM31993 | HSK63A | 16 | 100 | G6.3@20000RPM | £91.32 | In Stock | |
| OM30379 | HSK63A | 16 | 160 | G6.3@20000RPM | £112.31 | In Stock | |
| OM31509 | HSK63A | 20 | 80 | G6.3@20000RPM | £73.50 | In Stock | |
| OM31994 | HSK63A | 20 | 100 | G6.3@20000RPM | £91.32 | In Stock | |
| OM30380 | HSK63A | 20 | 160 | G6.3@20000RPM | £112.31 | In Stock | |
| OM31510 | HSK63A | 25 | 110 | G6.3@20000RPM | £79.07 | In Stock | |
| OM30381 | HSK63A | 25 | 160 | G6.3@20000RPM | £119.19 | In Stock | |
| OM31995 | HSK63A | 32 | 110 | G6.3@20000RPM | £86.04 | In Stock | |
| OM30382 | HSK63A | 32 | 160 | G6.3@20000RPM | £128.66 | In Stock | |
| OM30365 | HSK63A | 40 | 125 | G6.3@20000RPM | £94.16 | In Stock | |
| OM30383 | HSK63A | 40 | 160 | G6.3@20000RPM | £140.47 | In Stock |
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