VCOIL Plug Gauge (D/E) - UNC (STI) - Heli Coil Gauge - Right Hand - 3B - 5/16 x 18 G 93 mm holes

93 mm holes

so you can push for higher material removal rates with consistent outcomes

and shops needing precise

25 coarse-thread connections

repeatable results and supports quick pass/fail decisions in busy shops

VCOIL Plug Gauge (D/E) - UNC (STI) - Heli Coil Gauge - Right Hand - 3B - 5/16 x 18 G 93 mm holesThe VCOIL Plug Gauge is a precision go no go thread gauge designed for UNC (STI) 5 16 x 18 internal threads, tailored for Helicoil insert applications. Built for righthand use and calibrated to ANSI ASME standards, it provides reliable verification of thread quality in one compact tool. Designation: (D E) VCOIL Plug Gauge Thread standard: UNC (STI) Size: 5 16 x 18 Hand: Right Hand Class: 3B Gauge type: Helicoil gauge Go No Go design: Integrated go