JBO Plug Gauge - UNF (STI) Heli Coil Gauge - Right Hand - 2B - 5/16 x 24 - Calibrated (DAkkS Calibration) Tapping Chucks Standards: DIN 206-B compliance for

Standards: DIN 206-B compliance for reliable

5 Micron Run-Out: Provides exceptional concentricity for tighter tolerances

Bottom lead taps are a recognized variant designed for reliable starting performance

spiral-flute HSS (M2) tool designed for precise hole finishing with reliable

Constructed from intermediate HSS (M2)

JBO Plug Gauge - UNF (STI) Heli Coil Gauge - Right Hand - 2B - 5/16 x 24 - Calibrated (DAkkS Calibration) Tapping Chucks Standards: DIN 206-B compliance forThe JBO Plug Gauge UNF (STI) Heli Coil Gauge is a precision measuring tool designed to verify the pitch diameter and fit of threaded insert assemblies used in UNF STI applications. Manufactured to ANSI ASME thread standards, this gauge supports quality control across manufacturing, automotive, and aerospace environments by delivering consistent, reliable checks of plug gauge measurements. Built for right hand operation with a 2B tolerance class and a