JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 3A - 7/8 x 9 Shrink Fit Holders helping maintain cooler cuts and

helping maintain cooler cuts and reducing burr formation

ISO H5 finish: Delivers precise hole sizes and better interchangeability

The M2 HSS construction provides lasting edge retention for accurate reaming

Tapered neck for smoother cutting: The tapered neck reduces tool vibrations and chatter

The Omega OZ25 Collet Standard Precision is a high-precision toolholding solution designed for machinists

JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 3A - 7/8 x 9 Shrink Fit Holders helping maintain cooler cuts andThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external UNC threads. It is ideal for manufacturers, machine shops, automotive and aerospace workplaces, and quality assurance teams that need fast, dependable thread validation. With its No Go design, you can quickly confirm whether a threaded component meets the Unified thread standard for reliable fitment. No Go detection enables effortless pass fail decisionshelping