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ITP Straight Styli - Type A - Silicon Nitride Ball - M5 Thread x 53mm Overall Length - THM5S5011053
| Styli Type | Type A |
| Thread Size | M5 |
| Ball Diameter (DK) | 5 |
| Overall Length (L) | 53 |
| Shank Diameter (DG) | 11 |
| Measuring Length (ML) | 43 |
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The ITP Straight Stylus Type A with a silicon nitride ball is a precision probing accessory designed for metrology tasks on CMMs and probing systems. It targets professionals who need dependable, repeatable contact points for accurate measurements, including challenging aluminium parts.
- Thread: M5 thread for secure integration with standard probes and scanning systems.
- Overall length: 53 mm overall length, offering a compact yet versatile reach.
- Stem material: Carbide stem delivers exceptional rigidity for reliable measurements across a wide dimensional range.
- Ball material: Silicon nitride ball, recommended for scanning untreated aluminium parts due to wear resistance and smooth contact.
- Availability and sizing: This product family includes styli with ball sizes from Ø1,5 mm to Ø10,0 mm; other sizes can be requested via the configurator or by e-mail. Depending on the measuring system, holders of Ø10,0 mm, Ø11,0 mm, and Ø12,0 mm are available in this group.
With a rigid carbide stem and the durable silicon nitride ball, this stylus delivers stable contact and long-lasting performance for repeatable measurements. The 53 mm length provides a balanced combination of reach and control, while the M5 thread ensures broad compatibility with a wide range of probing setups. If your workflow requires a different ball diameter or holder size, additional options can be requested through the configurator or by contacting us, allowing you to tailor the stylus to your metrology needs.
| Styli Type | Type A |
| Thread Size | M5 |
| Ball Diameter (DK) | 5 |
| Overall Length (L) | 53 |
| Shank Diameter (DG) | 11 |
| Measuring Length (ML) | 43 |
| Neck Diameter (DS) | 3.5 |
| 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.


