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ITP Star Styli - Others - Silicon Nitride Ball - M3 XXT Thread x 11mm Measuring Length - SCM3S3005020/180°
| Styli Type | Others |
| Thread Size | M3 XXT |
| Ball Diameter (DK) | 3 |
| Overall Length (L) | 20 |
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Description
The ITP Star Styli SCM3S3005020/180° is a precision star-style probe designed for metrology professionals who need reliable long-reach measurements. With a silicon nitride ball and a compact M3 XXT mounting thread, it excels at capturing large diameters, deep bores, undercuts, and threaded features without bending or loss of accuracy.
- Ball material: Silicon nitride ball for exceptional hardness, wear resistance, and long-term stability in demanding measuring tasks
- Mounting thread: M3 XXT thread for secure, quick attachment to standard CMM probes
- Measuring length: 11 mm for extended reach while maintaining rigidity and accuracy
- Access design: 180° two-ended geometry that enables measurement around challenging features from multiple directions
- Star stylus advantage: Proven geometry minimizes deflection on long gauging lengths, ideal for large-diameter workpieces and deep features
This stylus is tailored for applications where accuracy matters over extended gauges: measuring large diameters, threads, and undercuts without compromising tip integrity. The two-ended, 180° design provides flexibility in reach, while the silicon nitride sphere delivers repeatable contact and reduced wear across repetitive scans. Ideal for integration into existing metrology workflows that rely on robust, task-specific probing configurations.
Part Numbers
- Protool Part Number
- ITP-SCM3S3005020/180°
- Brand
- ITP
- Category
- Styli
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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.


