VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M22 x 1.5 Tapping Chucks 0ISOBMA is a versatile threading

0ISOBMA is a versatile threading tool designed to create external metric threads with consistent results

it enables smooth contouring and accurate detailing on complex graphite parts

the gauge is built from hardened steel to withstand frequent use and resist wear

and hobbyists seeking precision without frequent tool changes or rework

while the 6H tolerance offers tight

VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M22 x 1.5 Tapping Chucks 0ISOBMA is a versatile threadingThe VCOIL Plug Gauge (D E) is a precision metric Go No Go thread gauge designed for validating M22 x 1. 5 Helicoil inserts. It helps machinists, QC technicians, and shop professionals ensure threads meet exact standards. Go No Go design: A single gauge with a go end that screws into the thread by hand and a no go end that tests the limit of acceptance. Red scrap indication: Scrap side is marked with a red ring for quick identification during