Please log in here to access the full benefits.

Percentage Symbol

Multibuy Discounts

Gift Icon

Loyalty Rewards

Lightning Bolt

Faster Checkout

JBO Thread Ring Gauge (GO) - Electrical Conduit - Right Hand - 8g - M40 x 1.5


Earn 0 Pro+Points!

JBO Thread Ring Gauge (GO) - Electrical Conduit - Right Hand - 8g - M40 x 1.5

JBO-506018

Availability: 5 days subject to availability

These ring gauges play a crucial role in ensuring accurate and reliable measurements of external thread diameters in industries such as manufacturing, automotive, and aerospace. With their meticulous design and precise dimensions, they facilitate efficient inspection of threaded components, verifying their compliance with Unified thread standards and specifications. The no-go design allows for easy identification of non-conforming threads, ensuring proper fitment and functionality. Crafted from high-quality materials like hardened steel.

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

Thread Form Electrical Conduit
Size M40
Pitch 1.5
Gauge Type Ring Gauge (NoGo)
Thread Direction Right Hand
Tolerance 8 g


These ring gauges play a crucial role in ensuring accurate and reliable measurements of external thread diameters in industries such as manufacturing, automotive, and aerospace. With their meticulous design and precise dimensions, they facilitate efficient inspection of threaded components, verifying their compliance with Unified thread standards and specifications. The no-go design allows for easy identification of non-conforming threads, ensuring proper fitment and functionality. Crafted from high-quality materials like hardened steel.

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

Thread Form Electrical Conduit
Size M40
Pitch 1.5
Gauge Type Ring Gauge (NoGo)
Thread Direction Right Hand
Tolerance 8 g


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).