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ITP Straight Styli - Type F - Ruby Ball - M5 Thread x 34.5mm Overall Length - LHM503019034
| Styli Type | Type F |
| Thread Size | M5 |
| Ball Diameter (DK) | 3 |
| Overall Length (L) | 34.5 |
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Description
The ITP Straight Styli - Type F with Ruby Ball is a precision probing stylus designed for high-accuracy metrology, ideal for mounting discs or star styli. Built around a rigid tungsten carbide stem, it delivers dependable, repeatable measurements in tight tolerance workflows.
- Thread & Overall Length: M5 threaded shaft with a 34.5 mm overall length for easy integration into standard probing setups.
- Tungsten Carbide Stem: Ultra-rigid core that supports a wide range of dimensions and can be configured as single or multi-stepped to match your measurement needs.
- Ruby Ball Tip: High-quality ruby balls available from Ø0.3 mm to Ø1.0 mm, providing precise contact and excellent wear resistance.
- Mounting Compatibility: Extended thread purpose-built for mounting discs and star styli; grooved and clamping discs are used in the manufacture of star styli.
- Customizable Dimensions: Other dimensions can be requested via the configurator or by e‑mail to tailor the stylus to your application.
Designed to enhance probing reliability, this Type F ruby-ball stylus delivers stable contact geometry and reduced deflection under typical metrology loads. The combination of a hardened carbide stem and precision ruby tip helps improve measurement repeatability across small diameters, making it a versatile choice for disc or star stylus configurations and demanding inspection tasks.
Part Numbers
- Protool Part Number
- ITP-LHM503019034
- 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.


