JBO Thread Ring Gauge (NoGo) for 1/4 x 20, BSW, Right-Hand, Medium Class delivers a fast, reliable check of external thread diameters. This NoGo gauge is designed for quality-control in manufacturing, automotive, and aerospace environments, helping inspectors confirm that threaded components meet standard size and fit requirements.
Crafted from hardened steel, it resists wear in daily use and maintains accurate measurements over thousands of inspections.

• No-Go Verification for Quick Quality: The No-Go design lets inspectors immediately identify non-conforming threads by a simple try-fit, speeding up acceptance checks and preventing mismatched parts from moving forward.
• Durable Hardened Steel Construction: Built to endure daily use, resist wear, and retain measurement accuracy over many cycles in busy inspection rooms.
• Precise 1/4 x 20 BSW Right-Hand, Medium Class Fit: Engineered to exact NoGo dimensions for 1/4 x 20 BSW right-handed threads (Medium class), delivering consistent, repeatable results across inspections.

This gauge supports streamlined quality control by providing a reliable, easy-to-interpret pass/fail indication for threaded components. Its rugged construction and adherence to standard thread parameters give buyers confidence in long-term performance across manufacturing, automotive, and aerospace environments.