VCOIL Plug Gauge (GO) - UN (STI) - Heli Coil Gauge - Right Hand - 3B - 1.1/2 x 8 G this tool cuts accurately in

this tool cuts accurately in the reverse direction

controlled slits with improved surface finish

steady turns using firm

and consistently delivers precise finishes across a range of machining tasks—helping you finish projects faster with predictable results

helping you complete work faster

VCOIL Plug Gauge (GO) - UN (STI) - Heli Coil Gauge - Right Hand - 3B - 1.1/2 x 8 G this tool cuts accurately inVLKEL VCOIL GO Plug Gauge for UN (STI) right hand threads offers precise go no go verification for Helicoil inserts, aligned with ANSI ASME thread standards. Ideal for manufacturing and quality control environments that require reliable thread conformity checks. 3B Class, Right Hand UN (STI) Threads: GO gauge designed for 3B tolerance with the UN (STI) right hand thread specification, size 3B 1. 1 2 x 8. Go Gauge Function: The GO thread must screw