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ITP Straight Styli - Type A - Ruby Ball - M5 Thread x 114.5mm Overall Length - THM508011114
| Styli Type | Type A |
| Thread Size | M5 |
| Ball Diameter (DK) | 8 |
| Overall Length (L) | 114.5 |
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Description
The ITP Straight Styli Type A with Ruby Ball is a precision probing tool designed for engineers and technicians who demand reliable, repeatable measurements in everyday use. Featuring a rigid carbide stem and a high-quality ruby ball tip, it delivers consistent contact and long-lasting performance, with native compatibility through a convenient M5 thread.
- Design: Straight stylus, Type A — optimized for stable, linear probing in standard measurement tasks.
- Material: Carbide stem providing exceptional rigidity and dimensional stability under load.
- Tip: Ruby ball tip selected for durability and smooth contact; available in Ø2.0 mm to Ø10.0 mm diameters.
- Dimensions: 114.5 mm overall length for reach in tight or recessed areas.
- Thread: M5 threaded end for secure attachment to compatible probes and fixtures.
- Customization: Other ruby ball sizes can be requested via the configurator or by email to suit specific measurement needs.
With its combination of a rigid carbide core and a high-quality ruby ball, this stylus minimizes deflection and delivers repeatable readings across a wide range of surfaces. The 114.5 mm length provides the reach needed for accessing challenging geometries, while the M5 threading ensures quick, secure installation on standard probing systems. Ideal for metrology labs, quality control, and field service, it accommodates common measurement tasks with precision and reliability. When you need a straightforward, dependable stylus for daily measurement work, the ITP Straight Styli Type A with Ruby Ball is a solid, professional option.
Part Numbers
- Protool Part Number
- ITP-THM508011114
- 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.


