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ITP Straight Styli - Type A - Ruby Ball - M4 Thread x 79mm Overall Length - TKM408007079
| Styli Type | Type A |
| Thread Size | M4 |
| Ball Diameter (DK) | 8 |
| Overall Length (L) | 79 |
| Shank Diameter (DG) | 7 |
| Measuring Length (ML) | 62.5 |
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The ITP Straight Styli Type A with Ruby Ball is a precision probing stylus designed for metrology professionals who need a lightweight, rigid contact point for CMM measurements. It delivers reliable, repeatable performance for everyday inspection tasks with a focus on accuracy and ease of use.
- Stem material: High‑performance ceramic stem offers low weight and exceptional rigidity for stable probing.
- Ruby ball sizes: High-quality ruby spheres available from Ø4.0 mm to Ø8.0 mm to match different measurement needs.
- Thread and length: M4 threaded tip with an overall length of 79 mm for secure mounting and comfortable handling.
- Product type: Straight stylus optimized for standard, routine metrology applications.
- Customization options: Other ruby‑ball sizes can be requested via configurator or by e‑mail to tailor to specific tasks.
This ruby‑ball stylus combines a lightweight yet stiff ceramic body with precisely formed ruby balls to deliver consistent contact points and minimize deflection during probing. The M4 thread ensures quick, secure installation on compatible probes, while the 79 mm length provides a practical reach for measuring edges, features, and small cavities. Ideal for measuring machined parts, fixtures, and assemblies, it helps you achieve reliable results and extend probe life by reducing tip wear.
| Styli Type | Type A |
| Thread Size | M4 |
| Ball Diameter (DK) | 8 |
| Overall Length (L) | 79 |
| Shank Diameter (DG) | 7 |
| Measuring Length (ML) | 62.5 |
| Neck Diameter (DS) | 4.5 |
| Stem Material | ceramic |
| 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.
