JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 2B - No. 12 x 28 FMH 67mm is a precision carbide-tipped

67mm is a precision carbide-tipped reamer designed to finish holes to a tight 23

accurately sized holes with reliable repeatability

right-hand 6G design: Knurled handle and right-hand orientation provide secure handling and consistent results when checking internal threads in the field or on the shop floor

interchangeable hole diameters across parts and setups

The Omega Products GSK16 Ultra Precision Collet is a purpose-built tool holder for CNC milling

JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 2B - No. 12 x 28 FMH 67mm is a precision carbide-tippedThe JBO Thread Plug Gauge is a precision internal thread gauge designed to verify UNF holes with speed and accuracy. Built for engineers, inspectors, machinists, and maintenance teams across manufacturing, automotive, and aerospace, it ensures threaded holes meet the Unified Thread Standard. It features go no go ends and a rugged knurled body for fast checks in busy workshops. Go No Go end design: Quickly determine if the internal threads pass or fail