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ITP Straight Styli - Type A - Ruby Ball - M4 Thread x 104mm Overall Length - TKM408007104
| Styli Type | Type A |
| Thread Size | M4 |
| Ball Diameter (DK) | 8 |
| Overall Length (L) | 104 |
| Shank Diameter (DG) | 7 |
| Measuring Length (ML) | 87.5 |
Learn more about Klarna
ITP Straight Styli Type A with a ruby contact ball is a precision, everyday-use stylus designed for reliable probing in metrology and inspection tasks. Built for durability and consistent performance, it combines a lightweight ceramic shaft with high-quality ruby contact points for smooth, repeatable measurements.
- Overall length: 104 mm
- Thread: M4 mounting thread for secure, compatible attachment
- Stem material: High-performance ceramic for exceptional rigidity and light weight
- Ball material: Ruby contact ball, available in sizes from Ø4.0 mm to Ø8.0 mm
- Size options: Additional sizes can be requested via configurator or by email
The combination of a rigid ceramic shaft and a high-quality ruby ball delivers stable contact during probing, reducing deflection and measurement drift on delicate surfaces. The lightweight stem minimizes operator fatigue during extended inspection sessions, while the durable ruby ball offers wear resistance and consistent glide across a variety of materials. The universal M4 thread ensures straightforward integration with standard fixtures and probes, making this stylus a dependable choice for routine QA, coordinates measuring machine work, and precision inspections. For specialized needs, bespoke sizes are available upon request.
| Styli Type | Type A |
| Thread Size | M4 |
| Ball Diameter (DK) | 8 |
| Overall Length (L) | 104 |
| Shank Diameter (DG) | 7 |
| Measuring Length (ML) | 87.5 |
| 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.
