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Omega Products BT40 Parallel Milling Cutter Arbor - MCAP12 - 25,000RPM - G2.5 - M12 - 50mm Gauge Length
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The Omega BT40 Parallel Milling Cutter Arbor MCAP12 is a precision toolholder designed for BT40 spindle machines. It securely holds parallel milling cutters and maintains rigid alignment during high-speed milling, delivering stable performance up to 25,000 RPM and precise operation with a G2.5 tolerance.
Designed to accommodate parallel milling cutters with diameters from M8 to M16, this arbor features an M12 mounting and a 50 mm gauge length for versatile, repeatable setups across a wide range of milling tasks.
- High-speed stability up to 25,000 RPM: Designed to maintain rotational stability during fast, demanding milling, helping you achieve consistent cuts and productive cycle times.
- G2.5 precision rating: Tight tolerance that supports accurate runout and repeatable results, improving part quality and reducing finishing passes.
- M12 interface with 50 mm gauge length: Easy to integrate into BT40 machines with standard tooling, enabling quick setups and reliable alignment across multiple cutters (M8–M16).
This toolholder helps you streamline workflows, reduce setup time, and deliver dependable, high-quality milling results across batches. By ensuring secure clamping, precise alignment, and compatibility with common BT40 tooling, it supports efficient production, fewer rework cycles, and better overall performance.
| Taper | BT40 |
| d | 12.5 |
| D1 | 21 |
| D2 | 21 |
| Thread | M12 |
| Reach | 50 |
| Balance | G2.5@25000RPM |
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 BT40 Parallel Milling Cutter Arbors - M8 - M16 - 25,000RPM - G2.5
View full collection →You are viewing OM34709. Click any other SKU to view its full details.
| Product SKU | Taper | d | D1 | D2 | Thread | Reach | Balance | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|---|
| OM34702 | BT40 | 8.5 | 13.8 | 13.8 | M8 | 50 | G2.5@25000RPM | £87.98 | In Stock | |
| OM34705 | BT40 | 10.5 | 18 | 18 | M10 | 50 | G2.5@25000RPM | £87.98 | In Stock | |
| OM34706 | BT40 | 10.5 | 18 | 18 | M10 | 75 | G2.5@25000RPM | £95.77 | In Stock | |
| OM34707 | BT40 | 10.5 | 18 | 18 | M10 | 100 | G2.5@25000RPM | £109.14 | In Stock | |
| OM34709 Viewing | BT40 | 12.5 | 21 | 21 | M12 | 50 | G2.5@25000RPM | £87.98 | In Stock | |
| OM34710 | BT40 | 12.5 | 21 | 21 | M12 | 75 | G2.5@25000RPM | £95.77 | In Stock | |
| OM34711 | BT40 | 12.5 | 21 | 21 | M12 | 100 | G2.5@25000RPM | £109.14 | In Stock | |
| OM34713 | BT40 | 17 | 29 | 29 | M16 | 50 | G2.5@25000RPM | £87.98 | In Stock | |
| OM34714 | BT40 | 17 | 29 | 29 | M16 | 75 | G2.5@25000RPM | £95.77 | In Stock | |
| OM34715 | BT40 | 17 | 29 | 29 | M16 | 100 | G2.5@25000RPM | £109.14 | In Stock |
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