Omega Products BT30 Test Arbor - 32mm Diameter - 250mm Gauge Length

Please log in here to access all benefits, including promotional discounts and faster checkouts.

Omega Products BT30 Test Arbor - 32mm Diameter - 250mm Gauge Length

SKU:OM33741

Specification

Taper	BT30
Gauge Length	250
Diameter	32

£175.89

Prices shown ex. VAT

In Stock— only 1 left

Free delivery over £50 ex VAT

Secure checkout

14-day returns

30+ years expertise

Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna

Speak to our team

01732 887334

Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Omega Products BT30 Test Arbor is a precision reference tool designed for BT30 tooling systems. With a 32 mm diameter and a 250 mm gauge length, it serves as a reliable master mandrel for calibration, setup checks, and fixture alignment. Designated as BT MAS403 (JIS 6339) Master Mandrel, this arbor provides a consistent seating surface for repeatable results across BT30 applications.

32 mm Diameter Core for Stable Referencing: Delivers a precise, steady reference point that helps ensure accurate calibrations and consistent measurements during setup and testing.
250 mm Gauge Length for Flexible Mounting: Offers ample working length to accommodate a variety of fixtures and configurations, reducing the need for multiple tools and speeding up workflows.
JIS 6339 Master Mandrel Standard (BT MAS403) Compliance: Conforms to an established industry standard, supporting reliable fit, predictability, and interoperability within BT30 systems.

This BT30 Test Arbor helps technicians, engineers, and machinists achieve quick, dependable alignment and calibration across BT30 applications. Its standardized dimensions and master-mandrel designation enable consistent results, minimize setup time, and enhance confidence in precision checks and fixture integrity.

Taper	BT30
Gauge Length	250
Diameter	32

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.

★★★★★

Nice experience staff are very helpful and interested...

Staff are very helpful and interested in providing a good service making us the customer feel valued.

Bill

★★★★★

first place we look

honest about stock and prices are competitive.

Phil

★★★★★

Polite and helpful

Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .

Graham

★★★★★

Buying experience

Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.

Jeremy