JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M68 x 4

These ring gauges play a vital role in ensuring accurate and reliable measurements of external thread diameters in various industries. With their meticulous construction and precise dimensions, they facilitate efficient inspection of threaded components, verifying compliance with required standards and specifications. Crafted from high-quality materials like hardened steel, the JBO Ring Gauges (NoGo) - Metric Fine offer exceptional durability and resistance to wear, ensuring long-lasting performance even in demanding work environments. Their user-friendly design allows for easy identification of non-conforming threaded components, aiding in quality control processes and precision engineering.

Looking to Calibrate Your Gauge for Accurate Results?

Click the link below to ensure your gauge is expertly calibrated and certified for optimal accuracy.

View Certification

What time are Protool open? We are open Monday to Friday between 8:30am and 5pm.

Do you offer Free Next Day delivery? Yes! To mainland UK we offer Free Next Day delivery on all orders above £30 ex vat*.

We also offer the following:

DPD Standard Next Day Delivery - £7.50 (FREE on orders over £30 ex vat*).
DPD Next Day Pre-12pm - £12.50
DPD Next Day Pre-10.30am - £20.00

We also offer Saturday delivery for those that require it, If you order before 4.30 pm on a Friday. Please see our delivery page for more information.

*T’s & C’s and exclusions apply. Please see our delivery page for more information on all our services including those outside of mainland UK (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands etc).