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ITP Straight Styli - Type A - Ruby Ball - M5 Thread x 30mm Overall Length - THM502011030
| Styli Type | Type A |
| Thread Size | M5 |
| Ball Diameter (DK) | 2 |
| Overall Length (L) | 30 |
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Description
ITP Straight Styli – Type A with Ruby Ball, M5 thread, and 30 mm overall length. This precision probing stylus is designed for reliable, everyday metrology in quality control, research labs, and production environments.
- Type: Straight stylus (Type A) optimized for direct, uncomplicated probing.
- Thread: M5 thread for secure attachment to standard probe heads and holders.
- Overall length: 30 mm, offering a compact reach for tight or recessed features.
- Stem material: Carbide stem delivering exceptional rigidity and minimal deflection during contact.
- Ball tip: Ruby ball used for a hard, wear-resistant contact surface with high measurement fidelity; available in sizes ranging from Ø2.0 mm to Ø10.0 mm in production or through request.
- Customization: Other ball sizes can be requested via the configurator or by e-mail to suit specific measurement tasks.
This stylus is built to maintain stable contact geometry across repeated measurements, helping to improve repeatability and accuracy in CMM inspections and other contact-based metrology. The robust carbide stem reduces deflection under load, while the ruby ball provides durable performance in a variety of materials and surface finishes. A versatile choice for technicians who need a reliable, ready-to-use probing solution with the option to tailor the ball size for specialized applications.
Part Numbers
- Protool Part Number
- ITP-THM502011030
- Brand
- ITP
- Category
- Styli
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.


