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ITP Straight Styli - Type A - Silicon Nitride Ball - M5 Thread x 40.75mm Overall Length - THM5S1512040
| Styli Type | Type A |
| Thread Size | M5 |
| Ball Diameter (DK) | 1.5 |
| Overall Length (L) | 40.75 |
| Shank Diameter (DG) | 12 |
| Measuring Length (ML) | 19.75 |
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The ITP Straight Styli – Type A with a silicon nitride ball is a precision probing stylus designed for everyday CMM work, especially when scanning untreated aluminum parts. Its rigid construction and reliable performance help you capture accurate measurements with minimal setup.
- Thread: M5 male thread for quick, secure integration with compatible probes and fixtures
- Overall Length: 40.75 mm, offering a compact profile with ample reach for tight measurement environments
- Stem Material: Extremely rigid carbide stem provides stiffness across a wide range of dimensions
- Ball Material: Silicon nitride ball delivers smooth contact and excellent wear resistance on aluminum surfaces
- Design: Straight stylus geometry designed for consistent, repeatable probing
- Ball Size Options: Part of the ITP ball-styled family with sizes from Ø1.5 mm to Ø10.0 mm; other sizes can be requested via configurator or by email
This stylus combination improves measurement reliability by reducing deflection and wear during scanning, particularly on untreated aluminum where silicon nitride balls excel. The carbide stem maintains dimensional stability under repeated probing, while the M5 connection makes it straightforward to swap in and out of standard probe setups. Whether you're performing routine inspection checks or capturing fine feature detail, this straight stylus offers consistent contact, long service life, and compatibility across a broad range of CMM systems.
| Styli Type | Type A |
| Thread Size | M5 |
| Ball Diameter (DK) | 1.5 |
| Overall Length (L) | 40.75 |
| Shank Diameter (DG) | 12 |
| Measuring Length (ML) | 19.75 |
| Neck Diameter (DS) | 1 |
| 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.


