VCOIL Plug Gauge (D/E) - UNF (STI) - Heli Coil Gauge - Right Hand - 3B - 7/16 x 20 RPTECH with confidence in every cut

with confidence in every cut

Precise metric GO threading check: Quickly confirms the hole threads match the M60 x 1

This combination starts the cut smoothly

Whether you’re upgrading your tap collection or tackling a challenging left-hand threading job

Easy setup for right-hand threading: Standardized dimensions (16IR16UN2MK20) enable quick mounting

VCOIL Plug Gauge (D/E) - UNF (STI) - Heli Coil Gauge - Right Hand - 3B - 7/16 x 20 RPTECH with confidence in every cutPrecision plug gauge for UNF threads, tailored for Helicoil applications. The VCOIL gauge verifies 7 16 x 20 UNF right hand threads to ANSI ASME standards, delivering reliable go no go checks in production and repair environments. Thread type: UNF (STI) Size: 7 16 x 20 Gauging type: Combination go no go thread plug gauge End marking: Scrap side marked with a red ring Go end use: Screws into the thread by hand with no excessive force No Go limit: No Go