JBO Thread Plug Gauge - UNJF Go-No/Go - Right Hand - 3B - 5/8 x 18 FMH consistent tool positioning that improves

consistent tool positioning that improves dimensional accuracy and surface finish across every job

this reamer suits applications where precise diameter control and a smooth finish are essential

Left-hand spiral flute with straight shank and right-hand cutting: Enables smooth chip evacuation and stable cutting

Flute Direction: Left-hand spiral flute with right-hand cutting for smooth chip evacuation and controlled material removal

Manufactured to Toolex Ltd

JBO Thread Plug Gauge - UNJF Go-No/Go - Right Hand - 3B - 5/8 x 18 FMH consistent tool positioning that improvesThe JBO Thread Plug Gauge is a precision go no go instrument designed to verify UNJF threads in holes. Specifically tailored for right hand threads in the 5 8 18 size and 3B tolerance, its ideal for manufacturing, automotive, and aerospace environments. Used in quality control, it enables quick confirmation that a threaded hole conforms to UNJF standards and will assemble reliably. Go No Go quick identification: Instantly indicate whether a threaded