Please log in here to access all benefits, including multibuy discounts and faster checkouts.

ITP Straight Styli - Type S - Ruby Ball - Without Thread x 27mm Overall Length - KTM502010027

SKU:ITP-KTM502010027

The ITP Straight Styli - Type S with Ruby Ball (KTM502010027) is a precision, threadless probing stylus designed for CMMs and metrology fixtures. With a 27 mm overall length and a robust tungsten ... Read more ↓
Styli TypeType S
Thread SizeWithout
Ball Diameter (DK)2
Overall Length (L)27
Shank Diameter (DG)N/A
Measuring Length (ML)N/A
View all specifications ↓
£50.12
Prices shown ex. VAT
5 days estimated lead time — subject to availability
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

The ITP Straight Styli - Type S with Ruby Ball (KTM502010027) is a precision, threadless probing stylus designed for CMMs and metrology fixtures. With a 27 mm overall length and a robust tungsten carbide stem, it delivers reliable, repeatable contact across demanding measurement tasks.

  • Overall Length: 27 mm
  • Thread Style: Straight, without thread for maximum flexibility
  • Stem Material: Tungsten carbide for high rigidity and wear resistance
  • Stem Configuration: Available in single- or multi-step versions
  • Ruby Ball Sizes: Ruby ball diameters from Ø1,35 mm to Ø10,0 mm
  • Custom Sizing: Other sizes can be requested via the configurator or by e-mail
  • Compatibility: Designed to be used with the appropriate clamp holder

The ruby ball at the tip provides a hard, smooth contact surface that helps minimize wear and maintain accurate touch geometry over many measurement cycles. The threadless design speeds setup and reduces wear on mounting interfaces, making it ideal for quick-change probing in busy inspection environments. With options from Ø1,35 mm up to Ø10,0 mm, you can tailor the contact footprint to suit different part features—from small, intricate details to broader contact areas. For specialized diameters beyond the listed range, simply use the configurator or reach out by e-mail to discuss custom sizing.

Styli Type Type S
Thread Size Without
Ball Diameter (DK) 2
Overall Length (L) 27
Shank Diameter (DG) N/A
Measuring Length (ML) N/A
Neck Diameter (DS) 1
Stem Material carbide
Base Material N/A
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.

★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
Bill
★★★★★
first place we look
honest about stock and prices are competitive.
Phil
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
Graham
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Jeremy