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ITP Straight Styli - Type C - Ruby Ball - M5 Thread x 44mm Overall Length - FHM501511044
| Styli Type | Type C |
| Thread Size | M5 |
| Ball Diameter (DK) | 1.5 |
| Overall Length (L) | 44 |
| Shank Diameter (DG) | 11 |
| Measuring Length (ML) | 19 |
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The ITP Straight Styli Type C with Ruby Ball is a precision metrology stylus engineered for professionals who require durable, repeatable probing in tight spaces. With a 44 mm overall length and M5 threading, it fits seamlessly into standard probe setups while delivering dependable contact for accurate measurements.
- Tip material: Ruby ball tips available from Ø1.35 mm to Ø2.5 mm for precise, repeatable surface contact.
- Stem construction: Tungsten carbide stem with a stepped, hardened body providing exceptional rigidity and long-term stability.
- Thread size: M5 thread compatible with common stylus holders and probe interfaces.
- Overall length: 44 mm, offering a balanced reach for probing small features and recessed geometries.
- Size options: Additional ruby-ball sizes available via configurator or by email to tailor the stylus to specific inspection needs.
Designed to enhance accuracy in inspection and quality-control workflows, this stylus minimizes deflection and wear while protecting delicate parts. The rigid tungsten carbide core maintains straightness across many cycles, and the ruby ball delivers a smooth, low-friction contact surface that resists marring. Its Type C straight configuration and compact length let you access confined features, holes, and pockets with confidence. For applications spanning automotive, electronics, and precision manufacturing, you can choose alternative ball sizes to optimize data quality and probing efficiency.
| Styli Type | Type C |
| Thread Size | M5 |
| Ball Diameter (DK) | 1.5 |
| Overall Length (L) | 44 |
| Shank Diameter (DG) | 11 |
| Measuring Length (ML) | 19 |
| Neck Diameter (DS) | 1 |
| Stem Material | carbide |
| Base Material | stainless steel |
| Prob Ball Material | ruby |
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.


