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ITP Straight Styli - Type A - Diamond Coated Ball - M3 XXT Thread x 50mm Overall Length - TCM3DC4005050
| Styli Type | Type A |
| Thread Size | M3 XXT |
| Ball Diameter (DK) | 4 |
| Overall Length (L) | 50 |
| Shank Diameter (DG) | 5 |
| Measuring Length (ML) | 41 |
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The ITP Straight Styli Type A with a diamond-coated ball is a precision measurement stylus designed for long‑reach probing tasks. It’s ideal for engineers and metrology teams who need rigidity, durability, and consistent accuracy in a lightweight package.
- Ball coating and material: Diamond-coated silicon carbide ball for exceptional wear resistance and extended service life.
- Stem construction: Carbon fibre stem delivers high rigidity with low weight, optimal for styli with extended reach.
- Thread: M3 XXT thread provides secure, compatible attachment to standard probe heads.
- Overall length: 50 mm total length offers additional reach while maintaining precise balance during measurement.
- Ball size options: Available with ball diameters from Ø3.0 mm to Ø5.0 mm within this product family (custom sizes can be requested via the configurator or by email).
- Intended use: Designed for long‑reach measurement tasks requiring minimal deflection and reliable performance over many cycles.
With a lightweight yet stiff carbon fibre stem and a diamond-coated ball, this stylus minimizes deflection under load, reduces wear, and delivers consistent readings in repetitive inspection tasks. The 50 mm reach enables access to tight features while preserving handling feel, making it a dependable choice for quality control in aerospace, automotive, and electronics manufacturing. Secure mounting with the M3 XXT thread and the option to specify ball sizes from Ø3.0 mm to Ø5.0 mm help tailor this stylus to precise measurement needs.
| Styli Type | Type A |
| Thread Size | M3 XXT |
| Ball Diameter (DK) | 4 |
| Overall Length (L) | 50 |
| Shank Diameter (DG) | 5 |
| Measuring Length (ML) | 41 |
| Neck Diameter (DS) | 2 |
| Stem Material | carbon fiber |
| Base Material | titanium |
| Prob Ball Material | diamond coated |
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.


