Please log in here to access the full benefits.

Percentage Symbol

Multibuy Discounts

Gift Icon

Loyalty Rewards

Lightning Bolt

Faster Checkout

JBO Thread Plug Gauge - BSF Go-No/Go - Right Hand - Medium Class - 1/4 x 26


X3 Triple Points! Earn 0 Pro+Points!

JBO Thread Plug Gauge - BSF Go-No/Go - Right Hand - Medium Class - 1/4 x 26

JBO-512529

Availability: 5 days subject to availability

These plug gauges play a critical role in ensuring accurate and reliable measurements of threaded components in industries such as manufacturing, automotive, and aerospace. With their meticulous design and precise dimensions, they enable efficient inspection of threaded holes, verifying their compliance with Unified thread standards and specifications. The go/no-go design allows for quick and easy identification of conforming and non-conforming threads, ensuring proper fitment and functionality.

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 BSF
Size 1/4
Pitch 26
Gauge Type Plug Gauge (D/E)
Thread Direction Right Hand
Tolerance Medium Class


These plug gauges play a critical role in ensuring accurate and reliable measurements of threaded components in industries such as manufacturing, automotive, and aerospace. With their meticulous design and precise dimensions, they enable efficient inspection of threaded holes, verifying their compliance with Unified thread standards and specifications. The go/no-go design allows for quick and easy identification of conforming and non-conforming threads, ensuring proper fitment and functionality.

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 BSF
Size 1/4
Pitch 26
Gauge Type Plug Gauge (D/E)
Thread Direction Right Hand
Tolerance Medium Class


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).

Complete Your Project

with tools we think you'll like