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ITP Straight Styli - Type A - Silicon Nitride Ball - M5 Thread x 36.5mm Overall Length - THM5S3012035
| Styli Type | Type A |
| Thread Size | M5 |
| Ball Diameter (DK) | 3 |
| Overall Length (L) | 36.5 |
| Shank Diameter (DG) | 12 |
| Measuring Length (ML) | 25.5 |
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The ITP Straight Styli Type A with Silicon Nitride Ball is a precision probing stylus designed for everyday metrology tasks, delivering rigid performance with reliable compatibility. Featuring an M5 thread and a 36.5 mm overall length, it integrates smoothly with standard probing systems for accessing tight features on metal parts, including untreated aluminum.
- Thread: M5 threaded stem for secure, quick mounting to compatible stylus holders.
- Overall length: 36.5 mm total length provides reach in confined measurement areas.
- Stem material: Extremely rigid carbide stem minimizes deflection and enhances measurement stability.
- Ball material: Silicon nitride ball chosen for hardness and wear resistance, ideal for demanding scans.
- Ball size range: Ball diameters in this group span from Ø1.5 mm to Ø10.0 mm to fit various measurement needs.
- Holder compatibility: Suitable for styli with Ø10.0 mm, Ø11.0 mm, and Ø12.0 mm holders depending on the measuring system.
- Customization: Other ball sizes can be requested via the configurator or by e-mail for tailored applications.
This stylus excels in delivering repeatable, accurate contact measurements with minimal wear on delicate surfaces. The silicon nitride ball is particularly advantageous for scanning untreated aluminum parts, while the carbide stem preserves rigidity across a wide range of dimensions. With its standard 36.5 mm length and flexible holder options, it supports a broad spectrum of measurement scenarios—from routine inspections to intricate feature probing—making it a dependable choice for both production floors and lab environments.
| Styli Type | Type A |
| Thread Size | M5 |
| Ball Diameter (DK) | 3 |
| Overall Length (L) | 36.5 |
| Shank Diameter (DG) | 12 |
| Measuring Length (ML) | 25.5 |
| Neck Diameter (DS) | 2 |
| Stem Material | carbide |
| Base Material | titanium |
| Prob Ball Material | silicon nitride |
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.


