VCOIL Plug Gauge (D/E) - UNF (STI) - Heli Coil Gauge - Right Hand - 3B - 7/8 x 14 Tapping Chucks The tool features a left-hand

The tool features a left-hand spiral flute with right-hand cutting and coolant through the shank

Deburr and chamfer the hole entrance before tapping to help guide the tap and extend tool life

and extending tool life in everyday drilling tasks

Through coolant design: enables coolant to reach the cutting edges and evacuate chips

Chip evacuation: Efficient chip evacuation for cleaner cuts and reduced heat buildup

VCOIL Plug Gauge (D/E) - UNF (STI) - Heli Coil Gauge - Right Hand - 3B - 7/8 x 14 Tapping Chucks The tool features a left-handThe VCOIL Plug Gauge is a precision thread gauge designed for UNF (STI) right hand threads, delivering a compact, one tool go no go solution for quality control. Built to ANSI ASME standards, it helps verify that each part meets exacting specifications during production and inspection. Thread type and size: UNF (STI) right hand, 7 8 x 14 Class: 3B tolerance Go No Go design: Combines go plug and no go plug in a single gauge Standards compliance: