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ITP Straight Styli - Type A - Ruby Ball - M3 Thread x 51.5mm Overall Length - THM303004051
| Styli Type | Type A |
| Thread Size | M3 |
| Ball Diameter (DK) | 3 |
| Overall Length (L) | 51.5 |
| Shank Diameter (DG) | 4 |
| Measuring Length (ML) | 44 |
Learn more about Klarna
ITP Straight Stylus Type A with Ruby Ball is built for precision probing in metrology, inspection, and routine machining setups. Designed for everyday standard use, it pairs a ultra-rigid carbide stem with high-quality ruby balls and a compact 51.5 mm overall length, featuring an M3 thread for secure mounting.
- SKU / model: THM303004051
- Overall length: 51.5 mm
- Thread: M3 threaded shank for reliable attachment to common probe heads
- Stem material: Carbide stem providing exceptional rigidity and dimensional stability under load
- Ruby ball range: High-quality ruby balls from Ø0.5 mm up to Ø6.0 mm for precise contact
- Geometry: Type A straight stylus for consistent, straight contact geometry
- Customization: Further ruby-ball sizes available on request via configurator or by e-mail
The carbide stem's stiffness minimizes bending during probing, delivering repeatable measurements in tight spaces. The ruby ball surface offers durable, wear-resistant contact that helps protect both the stylus and the workpiece, while ensuring accurate signal transmission in metrology tasks. With its standard M3 threading and measured 51.5 mm length, this stylus integrates smoothly into common inspection rigs and probing systems. If you need sizes beyond the listed range, you can request additional ruby-ball diameters through the configurator or by email to tailor the tool to your workflow.
| Styli Type | Type A |
| Thread Size | M3 |
| Ball Diameter (DK) | 3 |
| Overall Length (L) | 51.5 |
| Shank Diameter (DG) | 4 |
| Measuring Length (ML) | 44 |
| Neck Diameter (DS) | 2 |
| 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.
