What thread sizes are available?

We offer M2, M3, M4, M5 and custom threads. The most common for CMM probes is M3.

Do you offer custom styli?

Yes. Custom shaft length, ball diameter, material and thread are available for volume orders. Contact us with your drawing.

How long does shipping take?

In-stock items are dispatched within 24 hours. Express shipping takes 2-5 business days to most destinations.

What payment methods do you accept?

We accept PayPal. For bulk orders, bank transfer can be arranged.

Can I get a sample before bulk order?

Yes, samples are available. Lead time is usually 48 hours for standard items.

Privacy Policy

1. Information We Collect

cmm styli collects only the information needed to process your orders and respond to your enquiries: name, email address, phone number, shipping address and order details. We also collect anonymous visitor statistics (page views) to improve our website.

2. How We Use Your Information

To process and deliver your orders.
To respond to your messages, quotes and support requests.
To improve our products, website and customer experience.
To send order updates (we do not send marketing newsletters unless you opt in).

3. Payment Security

All payments are processed by PayPal. We never store your credit card or PayPal account details on our servers. Payment information is transmitted directly to PayPal over encrypted connections (TLS).

4. Cookies

This website uses cookies and similar technologies for essential functionality (shopping cart, login session), analytics and to remember your cookie preferences. A cookie consent banner is shown on your first visit. You may disable cookies in your browser settings; essential cookies are required for the shopping cart and checkout to work.

Cookies we use: session cookie (shopping cart & login), visitor statistics cookie, cookie-consent preference (stored locally in your browser).

5. Data Sharing

We do not sell or rent your personal data. We share only the minimum data required with service providers that make our service possible: shipping carriers (name, address, phone) and PayPal (order total, email). We may disclose data where required by law.

6. Data Retention

Order records are retained for accounting and after-sales purposes. You may request deletion of your account and personal data at any time by contacting us.

7. Your Rights

You may request access to, correction of, or deletion of your personal data. To exercise these rights, contact us at yukai@yukaiwww.com.

8. Third-Party Links

Our website may contain links to third-party websites (e.g. PayPal, WhatsApp). Their privacy policies apply when you visit those websites.

9. Changes to This Policy

We may update this policy from time to time. The latest version is always available on this page with the effective date below.

Effective date: October 21, 2026