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ITP Straight Styli - Type B - Ruby Ball - M3 Thread x 21.5mm Overall Length - THM3010H4021
| Styli Type | Type B |
| Thread Size | M3 |
| Ball Diameter (DK) | 1 |
| Overall Length (L) | 21.5 |
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Description
ITP Straight Styli Type B with a ruby ball is a precision probing stylus designed for metrology and CMM workflows. Built for everyday standard use, it delivers reliable, repeatable contact with a rigid carbide stem and high-quality ruby ball ends.
- Model and connection: Type B straight stylus with an M3 mounting thread for secure, compatible attachment to standard probe heads.
- Material: Carbide stem delivering exceptional rigidity and long-term dimensional stability in demanding measurement environments.
- Ball end: Ruby ball tip available in sizes to match probing needs, from Ø0,2 mm up to Ø1,0 mm, ensuring minimal wear and smooth contact with test surfaces.
- Overall length: 21.5 mm, providing a compact, predictable reach for precise touchpoints.
- Stem configuration: Designed to support single- or multi-stepped configurations to accommodate different probing geometries.
- Custom sizing: Other sizes can be requested via the configurator or by email to fit specialized measurement tasks.
- Model reference: THM3010H4021 for easy ordering and inventory matching.
In daily metrology work, the ITP Straight Styli Type B with Ruby Ball offers consistent contact and minimal deflection, helping you achieve repeatable measurements across setups. The carbide stem’s rigidity reduces measurement drift, while the high-quality ruby balls provide durable wear resistance and a clean contact surface. This makes it ideal for calibration routines, fixture inspection, and routine CMM probing where a reliable, standard-length stylus is required.
Part Numbers
- Protool Part Number
- ITP-THM3010H4021
- 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.


